KR102283504B1 - Method for recommending total-service related to share-service - Google Patents

Abstract

According to an embodiment of the present invention, a service information collection step of receiving and storing a service usage record through a block chain network from a composite IoT device, a manager terminal, or a user terminal that is coupled to a shared resource to allow or block the use of the service, and a curation step of recommending a service used by another user who has a similar service usage pattern to the user receiving the service recommendation based on the service usage record. Since a variety of services or products of different types expected to be recommended may be recommended, the user may be provided with information about various services and products.

Description

{Method for recommending total-service related to share-service}

The present invention relates to a method for recommending a total service linked to a shared service.

The current shared service is in the form of a company intermediary between individuals and receiving a fee, and the service is provided based on the centralized shared service provision system operated by the company. The current shared service has a service provision form for sharing a single item. For example, Uber provides a ride-sharing service, and Airbnb provides a lodging-sharing service. These existing shared services have limitations in not being able to provide various types of products or services.

Recently, in the field of media content, a function for recommending movies or dramas according to a user's taste has been introduced, and according to this function, the user can receive and use other contents suitable for his or her taste. In light of the development of this recommendation service, since the existing shared service provides only a single item, the user's taste or preference for the item can only be known, and even if the recommendation function is performed, it is limited within the range of the item.

In addition, since the current shared service uses a centralized system for providing the shared service, there is a problem that there is a single point of failure in which the provision of the service becomes difficult in case of a hacking or attack on the server.

KR 10-2013-0047915 A

An object according to an embodiment of the present invention is to provide a total service recommendation method that recommends a variety of services and products different from the services or products used by the user while providing various types of services and products as a block chain-based shared service. will provide

In addition, an object according to an embodiment of the present invention is to provide a platform that provides a shared service and recommends a total service using a block chain network.

A shared service-linked total service recommendation method according to an embodiment of the present invention receives a service usage record from a composite IoT device, a manager terminal, or a user terminal that is coupled to a shared resource and allows or blocks the use of the service through a block chain network. and a curation step of recommending a service used by a user who is recommended for a service and another user having a similar service usage pattern based on the service usage record.

In addition, the service information collection step is a usage record transmission step in which the composite IoT device, the manager terminal, and the user terminal transmit the service usage record to the block chain network, and de-identification before storing the personal information included in the service usage record and a storage step of storing the service usage record in a distributed database and storing the storage process of the service usage record in a blockchain network.

In addition, in the service information collection step, the block chain network compares the service use record provided by the composite IoT device with the service use record provided by the user terminal and stores the collected service use record if they do not match. may not be saved.

In addition, the curation step is a pattern analysis step of analyzing the user's service usage pattern by analyzing the user's past service usage record, the service usage pattern of another user analyzed based on the past service usage record of another user and the user A pattern comparison step of comparing service usage patterns to identify other users having a similar pattern, and a state of recommending a service related to the user's current status received from the user terminal from among the services used by other users having the similar pattern It may include a base recommendation step.

In addition, the service use record includes a history of using the service provided by using the shared resource and preference information in which the user inputs the satisfaction of the service as a score from preference to non-preference, and the curation step includes the similar pattern The method may further include a preference-based recommendation step of recommending services used by other users having a preference score in order of high preference score.

In addition, the curation step classifies a service having a non-preference score among the services used by other users having the similar pattern, analyzes a review of the classified service, extracts and presents a characteristic corresponding to a positive response, and presents a feature service It may further include a non-preference-based recommendation step of recommending.

In addition, the pattern analysis step recognizes sequential patterns using various types of services in chronological order within a predetermined period range based on the user's past service use records, and the pattern comparison step compares the sequential patterns, Another user having a similar pattern may be identified by comparing the sequential patterns from the service first used by the user who is recommended to the service within the range of the predetermined period to the service used recently.

In addition, the composite IoT device is coupled to various types of shared resources and includes a locking module for physically or electrically opening and closing the shared resource, a communication module for transmitting and receiving data to and from the user terminal or block chain network, and the user terminal is the shared resource. It may include a controller module that determines whether or not the user has the right to use the resource based on the key received from the block chain network, and controls to open and close the lock module.

In addition, in the shared service linkage total service recommendation method according to an embodiment of the present invention, the manager terminal registers information for providing the service and information on the composite IoT device to the block chain network to use the service Possibly, it may further include a service registration step to provide to the blockchain network.

The features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings.

Prior to this, the terms or words used in the present specification and claims should not be construed in a conventional and dictionary meaning, and the inventor may properly define the concept of the term to describe his invention in the best way. It should be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle that there is.

According to an embodiment of the present invention, since the user can recommend various other types of services or products expected to be preferred by the user based on the record of using the service or product, the user can provide information on the various services and products. can be provided

In addition, according to an embodiment of the present invention, the process of providing a shared service and recommending a total service is provided through a platform using a block chain network, so that the person providing the service and the person using the service can freely enter the market. Sharing economy can be promoted.

1 is a diagram illustrating a method for recommending a total service linked to a shared service according to an embodiment of the present invention.
2 is a diagram illustrating an environment in which a shared service linkage total service recommendation method according to an embodiment of the present invention is performed.
3 is a diagram illustrating a composite IoT device according to an embodiment of the present invention.
4 is a diagram illustrating a service that can be provided by a method for recommending a total service linked to a shared service according to an embodiment of the present invention.
5 is a flowchart illustrating each step of a method for recommending a total service linked to a shared service according to an embodiment of the present invention.
6 is a diagram illustrating a state-based recommendation step according to an embodiment of the present invention.
7 is a diagram illustrating a preference-based recommendation step according to an embodiment of the present invention.
8 is a diagram illustrating a non-preference-based recommendation step according to an embodiment of the present invention.
9 is a diagram illustrating a sequential pattern recognition and sequential pattern comparison process according to an embodiment of the present invention.

The objects, specific advantages and novel features of one embodiment of the present invention will become more apparent from the following detailed description and preferred embodiments taken in conjunction with the accompanying drawings. In the present specification, in adding reference numbers to the components of each drawing, it should be noted that only the same components are given the same number as possible even though they are indicated on different drawings. In addition, terms such as "one side", "the other side", "first", "second" etc. are used to distinguish one component from another component, and the component is limited by the terms. no. Hereinafter, in describing an embodiment of the present invention, detailed descriptions of related known technologies that may unnecessarily obscure the gist of an embodiment of the present invention will be omitted.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a method for recommending a total service linked to a shared service according to an embodiment of the present invention.

As shown in Fig. 1, the shared service linkage total service recommendation method according to an embodiment of the present invention is based on a blockchain network 50 so that anyone can provide and use various shared resources 10 as shared objects. It may be performed in connection with a method of providing a shared service using the provided composite IoT device 20 .

Shared resources by an administrator combining the composite IoT device 20 to various types of shared resources 10 and registering information about the shared resource 10 and information about the composite IoT device 20 in the blockchain network 50 If (10) is provided to the shared service, the user acquires the right to use the shared resource 10 through the block chain network 50 and unlocks the composite IoT device 20 based on the use right to unlock the shared resource ( 10) can be used.

The service usage record including the details of how a plurality of users have used various types of shared resources 10 is provided to the block chain network 50, and the accumulated plurality of service usage records are analyzed by a big data analysis method. A user to be recommended for a service may be recommended a service selected from services used by other users having a pattern similar to his/her usage pattern.

In an embodiment of the present invention, the shared resource 10 may include a device or system necessary to provide a specific service. For example, the shared resource 10 may be a resource such as a car or lodging facility required to provide a rental service, and a card reader, POS (Point) required to purchase an admission fee in a tourism service or food in a food service It may be a resource such as a payment system such as a (Of Sale) system. That is, according to an embodiment of the present invention, the service from which the service usage record can be collected and the service that can be recommended may include not only a shared service through rental but also a transaction service in which ownership is transferred through sale. Therefore, according to an embodiment of the present invention, all types of services can be recommended, so a total service can be recommended.

Hereinafter, an environment for providing a shared service linkage total service recommendation method according to an embodiment of the present invention will be described.

2 is a diagram illustrating an environment in which a shared service linkage total service recommendation method according to an embodiment of the present invention is performed.

The shared service linkage total service recommendation method according to an embodiment of the present invention includes a composite IoT device 20, a manager terminal 31, a user terminal 32, a blockchain network 50, a distributed database 70, and matching. This may be performed using the server 80 .

The blockchain network 50 is a network in which a plurality of nodes 51 are connected in a peer-to-peer (P2P, Peer to Peer) manner. The blockchain network 50 may perform a shared service linkage total service recommendation method based on information processing between a plurality of nodes 51 and information processing of each node 51 . The blockchain network 50 is to be composed of a plurality of nodes 51 that provide the shared resource 10 to the shared service, use the shared resource 10, and perform at least some of the functions for performing the total service recommendation method. can

The node 51 may include a communication unit 51a, a control unit 51b, and a storage unit 51c. The node 51 includes an information processing device such as a server computer, PC, notebook PC, tablet PC, and smart phone. The communication unit 51a may transmit/receive data to and from another node 51 , the manager terminal 31 , the user terminal 32 , the composite IoT device 20 , the distributed database 70 , and the matching server 80 . The communication unit 51a may configure the block chain network 50 by connecting the node 51 and other nodes 51 . The storage unit 51c may store all or part of the block chain 60 . The storage unit 51c may store a program code for performing the shared service linkage total service recommendation method according to an embodiment of the present invention. A shared service or service referred to in an embodiment of the present invention is not only a service for sharing the shared resource 10, but also sells goods or provides various types of services using the shared resource 10, or provides a shared resource (10). It may also include a service that sells itself. The control unit 51b may include a processor capable of executing a program code for performing a shared service linkage total service recommendation method according to an embodiment of the present invention.

The block chain 60 may be configured as a continuous connection of blocks 61 including the hash value of the previous block 61 as a configuration of the magnetic block 61 . Block 61 contains the hash value and storage space of the previous block 61 . The block chain 60 is stored in a plurality of nodes 51 constituting the block chain network 50, respectively, and the block chains 60 stored in the plurality of nodes 51 have the same data. In the storage space of the block 61, information about the shared resource 10, information about the composite IoT device 20, information about a manager, information about a user, service usage records using the shared resource 10, etc. are stored in the storage space of the block 61. Alternatively, such information may be stored in the distributed database 70 and the storage details may be stored in the storage space of block 61 .

The manager terminal 31 and the user terminal 32 are information processing devices that can transmit and receive data by connecting to the block chain network 50 . The manager terminal 31 and the user terminal 32 may include portable electronic devices such as smart phones, notebook PCs, tablet PCs, and wearable computers. The manager terminal 31 and the user terminal 32 may transmit/receive data to and from the blockchain network 50 through the dApp.

A dApp (distributed application) is a front-end interface through which users and managers connect through the manager terminal 31 and the user terminal 32 in order to use a shared service providing method using a composite IoT device. The dApp may be installed and executed in the manager terminal 31 and the user terminal 32, and provided to the manager terminal 31 and the user terminal 32 in the form of a web page operated on a server separate from the block chain network 50 It can also be executed in the node 51 of the blockchain network 50. The dApp may include a dApp 41 for an administrator and a dApp 42 for a user. The manager dApp 41 provides information about the shared resource 10, a registration function of information about the composite IoT device 20, a monitoring function of the shared resource 10, and various management permission functions to the manager terminal 31. can provide The dApp 42 for a user may provide functions such as a search function for the shared resource 10 , an application for a use right, a request for unlocking the composite IoT device 20 , and a total service recommendation to the manager terminal 31 .

The dApp transfers data or commands received from the manager terminal 31 and the user terminal 32 to a smart contract existing in the blockchain network 50 . The smart contract running in the blockchain network 50 includes a smart contract for an administrator and a smart contract for a user. The manager smart contract may operate based on data and commands received from the manager dApp 41 . The smart contract for the user may operate based on the data and commands it receives from the dApp 42 for the user.

3 is a diagram illustrating a composite IoT device 20 according to an embodiment of the present invention.

As shown in FIG. 3 , the composite IoT device 20 is coupled to various types of shared resources 10 to physically or electrically open and close the shared resources 10 , a lock module 21 , a user terminal 32 or Based on the key received from the block chain network 50 whether the communication module 22 for transmitting and receiving data with the block chain network 50, and the user terminal 32 has the right to use the shared resource 10, the block chain network 50 It may include a controller module 23 for determining and controlling the opening and closing of the lock module 21 .

In addition, the composite IoT device 20 includes a display module 25 capable of providing information visually or audibly to a user or manager, an input module 24 capable of receiving a touch of a user or manager, and the like, a composite IoT device It may include a power module 26 such as a battery for supplying power to the components of (20). Each of the modules 21 to 27 included in the composite IoT device 20 may be configured as a physically independent device, and some modules may be configured as a single device.

The lock module 21 may be opened and closed under the control of the controller module 23 . The lock module 21 is physically coupled to the sharing target to physically or electrically block the user's access to some components of the sharing target required when using the sharing target. For example, if the sharing target is a conference room or accommodation facility, the lock module 21 may be physically coupled to the door lock or lock of the door to block the user from arbitrarily opening the door. Alternatively, when the sharing target is an electronic device, the lock module 21 may be coupled to an input device or an output device of the electronic device to perform physical or electrical restrictions so that the user cannot use all or part of the electronic device. Alternatively, the lock module 21 may be coupled to a card reader or POS system that provides a payment service at the time of a transaction to restrict the user to perform a payment service based on usage rights. Alternatively, the lock module 21 may be integrally formed with a door lock or a lock. The locking module 21 may be coupled to various shared objects.

The communication module 22 may transmit/receive data to and from the manager terminal 31 , the user terminal 32 , and the block chain network 50 . The communication module 22 may use a short-distance communication method such as Wi-Fi, Bluetooth, or NFC. The communication module 22 may recognize its own location using GPS information.

The controller module 23 may control opening and closing of the lock module 21 . The controller module 23 may check the usage right of the user terminal 32 that has requested the use of the shared resource 10 . The controller module 23 compares the key received from the block chain network 50 with the key transmitted by the user terminal 32 through the communication module 22 according to the one-time authentication protocol to determine the right to use the user terminal 32 can be checked When the key received from the block chain network 50 and the key transmitted by the user terminal 32 through the communication module 22 match, the controller module 23 determines that the user terminal 32 has the right to use it. can do. The controller module 23 controls to open the lock module 21 when the existence of the right to use the user terminal 32 is confirmed. The controller module 23 may control the locking module 21 to be locked when a predetermined period of use has elapsed or a necessary condition is satisfied.

The controller module 23 may start a procedure for determining whether or not the user terminal 32 has the right to use only when the user terminal 32 approaches by a predetermined distance using short-distance communication or GPS information between the communication module 22 and the user terminal 32. there is. The proximity determination is an additional safety device in that the user terminal 32 and the communication module 22 must be unlocked in a state in which the user terminal 32 and the communication module 22 are approached by a predetermined distance to prevent use by a person who does not have the right to use. The communication module 22 performs distance determination based on the strength of radio waves such as Wi-Fi, Bluetooth, NFC, or the like, or compares its own GPS coordinates with GPS information of the user terminal 32 received from the user terminal 32 for proximity can determine whether When it is determined that the user terminal 32 approaches the communication module 22 by a predetermined distance, the controller module 23 may request the blockchain network 50 to check the usage right based on the one-time authentication protocol.

The locking module 21 of the composite IoT device 20 requires the user to open the locking module 21 based on the use right of the shared resource 10, and then other locking devices installed in advance in the shared resource 10 (for example, It can be installed as an add-on to the lock, for example, to access the door lock. The add-on method maintains the lock installed in the shared resource 10 as it is, and additionally couples the composite IoT device 20 to the lock. The lock module 21 of the composite IoT device 20 is coupled to cover a keypad, a key hole, a dial, etc. required to open the lock, and when the lock module 21 is opened, the user can use the keypad, key hole, dial, etc. It can be formed in a way that opens an accessible space.

The controller module 23 may further perform a procedure necessary for use of the shared resource 10 based on information input by a user or an administrator to the input module 24 . The controller module 23 may provide a key for opening the locking device to the user terminal 32 when the locking module 21 is opened based on the right to use the shared resource 10 . If it is determined that the user terminal 32 has the right to use the user terminal 32 , the controller module 23 provides information such as a password required to use the shared resource 10 to the user terminal 32 or through the display module 25 . can be provided to users. For example, when the lock module 21 is physically connected to the door lock, when the user terminal 32 is checked for permission to use, the controller module 23 controls the lock module 21 to open while opening the door lock. The door lock password required for this may be provided to the user terminal 32 or to the user through the display module 25 .

The gateway module 27 monitors the usage status of the shared resource 10 using at least one of a motion sensor, a human body sensor, an infrared sensor, an ultrasonic sensor, and a touch sensor to generate usage status information, and the controller module 23 can be provided to The gateway module 27 monitors whether there is a person using the shared resource 10 . The gateway module 27 is physically formed as a separate device, and may be coupled to the shared resource 10 at a location suitable for monitoring the usage state of the shared resource 10 .

For example, when the shared resource 10 is a space such as a conference room or accommodation facility, the gateway module 27 may be installed at a location where it is possible to check whether a person exists in the space. At this time, the gateway module 27 is formed as a physically separate device from the lock module 21 , and the usage state of the shared resource 10 sensed by the gateway module 27 is determined by the controller module 23 through the communication module 22 . ) can be transferred to The controller module 23 may determine whether the person using the shared resource 10 is an intruder or a legitimate user based on the usage right. The controller module 23 may provide an alert to the manager terminal 31 when it is determined as an intruder. When the usage time based on the usage right expires, the controller module 23 checks whether no one uses the shared resource 10 based on the usage status received from the gateway module 27, and the person using the shared resource 10 If there is no lock module 21 can be controlled to be locked. In the case of a transaction service for purchasing a product, since the shared resource 10 is used once, the gateway module 27 may be unnecessary.

As described above, the composite IoT device 20 according to an embodiment of the present invention can be coupled to various shared resources 10 , and the lock module 21 is provided only to a user who has the right to use the shared resource 10 . It can be opened to provide the use of the shared resource (10).

A shared service-linked total service recommendation method according to an embodiment of the present invention is a composite IoT device 20, a manager terminal 31 or a user terminal 32 that is coupled to a shared resource 10 to allow or block the use of the service. ) from the service information collection step (S50) of receiving and storing the service usage record through the block chain network 50, and based on the service usage record, the service used by the user who is recommended for the service and the service used by other users with similar service usage patterns It may include a curation step (S60) of recommending.

4 is a diagram illustrating a service that can be provided by a method for recommending a total service linked to a shared service according to an embodiment of the present invention.

As shown in FIG. 4 , the shared service linkage total service recommendation method according to an embodiment of the present invention may be provided through a dApp capable of providing various services and recommending various services. Since the composite IoT device 20 can be coupled to various types of shared resources 10 , the service that the present invention can provide is not limited to the types shown in FIG. 4 .

The user dApp 42 may include a plurality of distinct dApps therein according to service types. The dApp 42 for users may be provided as a single dApp regardless of the type of service. An embodiment of the present invention may provide and recommend services such as transportation service, accommodation service, tourism service, financial service, food service, rental service, and the like. For example, a user may install and execute a transportation service providing dApp on the user terminal 32 to use a transportation service registered in the blockchain network 50 . The traffic service providing dApp installed by the user may recommend a traffic service to the user, and may recommend other types of services in addition to the traffic service.

5 is a flowchart illustrating each step of a method for recommending a total service linked to a shared service according to an embodiment of the present invention.

The shared service-linked total service recommendation method according to an embodiment of the present invention may be performed based on a service use record, which is a history of a user's use of 'shared service using the complex IoT device 20'. A step of providing a shared service using the composite IoT device 20 will be described first.

In the shared service using the composite IoT device 20, the manager terminal 31 transmits the information of the shared resource 10 and the information of the composite IoT device 20 coupled to the shared resource 10 through the manager dApp through a blockchain network. A shared resource registration step (S10) of providing the shared resource 10 so that it can be shared by providing it to the 50, the user terminal 32 of the shared resource 10 registered in the blockchain network 50 through the user dApp A use right acquisition step (S20) in which a use right is requested and a use right is granted based on a smart contract designated by the manager terminal 31 in advance, and the composite IoT device 20 has a use right to the user terminal 32 It may include a use start step (S30) of opening a lock to be accessible to the shared resource 10 by determining whether it exists, and when the usage time determined based on the usage right expires, the usage state of the shared resource 10 It may further include a use termination step (S40) of controlling the lock module 21 to be locked when it is determined that the use is terminated by checking the .

The shared service providing method using the composite IoT device 20 may be performed in a system including the composite IoT device 20 , the manager terminal 31 , the user terminal 32 , and the block chain network 50 . An administrator and a user may register as a member and register predetermined information in order to use the shared service using the composite IoT device 20 according to an embodiment of the present invention.

The shared resource registration step (S10) is a step in which the manager terminal 31 provides the information of the shared resource 10 and the information of the composite IoT device 20 to the block chain network 50 through the dApp 41 for the manager, And based on the smart contract for the manager of the block chain network 50, the information of the shared resource 10 and the information of the composite IoT device 20 are recorded in the block 61 generated by the block chain network 50 and the block ( 61) may include the step of being shared.

First, the manager installs the composite IoT device 20 in the shared resource 10 . The manager executes the manager dApp using the manager terminal 31 or accesses the manager dApp to input information about the shared resource 10 and information about the composite IoT device 20 . The information on the shared resource 10 includes information necessary for a user to use the shared resource 10 , such as the type, characteristic, rental cost, rental available time, and minimum rental available time of the shared resource 10 . The information about the composite IoT device 20 includes the device ID, Mac Address, sensor type of the gateway module 27, sensor addition time, etc. The user terminal 32 and the blockchain network 50 recognize the composite IoT device 20 and includes information that allows data to be transmitted and received. The information about the shared resource 10 and the information about the composite IoT device 20 input to the manager terminal 31 is transmitted to the smart contract for the manager of the blockchain network 50 through the dApp.

The manager dApp 41 provides information about the shared resource 10 and information about the composite IoT device 20 received by calling the smart contract for the manager of the network. The manager dApp 41 can transmit and receive data to and from the blockchain network 50 using the Restful API.

The manager smart contract performs a shared resource 10 information management function and registers the shared resource 10 on the block chain network 50 so that the user can use it. The smart contract for the manager is a node 51 that configures the blockchain network 50 to store information about the shared resource 10 and information about the composite IoT device 20 in the storage space of the block 61 in a table format. can be shared with Information about the shared resource 10 and information about the composite IoT device 20 are stored in the block 61 through a verification and consensus process.

When the user terminal 32 requests a search for the shared resource 10 recorded in the block chain 60 distributed and stored in the block chain network 50 through the user dApp 42 , a step in which the dApp 42 for the user searches for the shared resources 10 recorded in the block chain 60 and provides a list of the available shared resources 10 to the user terminal 32, the user terminal 32 Selecting a shared resource 10 from the list of available shared resources 10 and requesting permission to use, and a smart contract for an administrator of the blockchain network 50 whether the requested shared resource 10 is available It may include the step of determining in the block chain 60 that the user terminal 32 has been granted the use right if available.

In order to use the shared resource 10, the user must first obtain the right to use it. The user executes the user dApp 42 on the user terminal 32 or accesses the user dApp 42 to request a search for the shared resource 10 registered in the blockchain network 50 . The dApp may provide an interface for searching for the shared resource 10 by selecting conditions such as the type, location, period of use, and rental cost of the shared resource 10 . The dApp may request a search from any node 51 constituting the blockchain network 50 based on the search condition received from the user terminal 32 . Since each of the plurality of nodes 51 stores the same blockchain 60, it is possible to perform a search requested by the dApp 42 for the user and return the result. The user terminal 32 may receive the result of performing the search in the arbitrary node 51 through the dApp 42 for the user. The user terminal 32 displays the received search result to the user.

The user may select the shared resource 10 from the list of the shared resources 10 provided as a search result and request to acquire the right to use the shared resource 10 . The user terminal 32 may request the smart contract for the manager of the blockchain network 50 to obtain the right to use the shared resource 10 selected by the user through the dApp 42 for the user.

When the smart contract for the manager receives a request for obtaining the right to use the shared resource 10 received from the dApp 42 for the user, it determines whether the shared resource 10 is available. Availability of the shared resource 10 may be determined based on conditions included in the request for obtaining the right to use the shared resource 10 . It may be determined whether there is another user who has already been reserved at the time requested by the user, and it may be determined whether the user is not entitled to acquire the right to use because the user is registered in the blacklist. The smart contract for the manager records in the block chain 60 that when the requested shared resource 10 is available, it grants the use right to the user terminal 32 that has requested the use right. The smart contract for administrator shares the content that the user terminal 32 has the right to use at the requested time to the block chain network 50, and the block chain network 50 transmits the information to the block 61 through verification and consensus. Saves that permission has been granted. The smart contract for the manager may provide that the use right is granted to the user terminal 32 through the user dApp.

When the user terminal 32 acquires the right to use, the user may unlock the composite IoT module through the user terminal 32 and start using the shared resource 10 . The use start step (S30) is a step in which the user terminal 32 requests the lock-opening of the composite IoT device 20 based on the usage right to the blockchain network 50 through the dApp 42 for the user, the composite IoT device (20) determining whether the user terminal 32 is located within a predetermined distance, when the composite IoT device 20 and the user terminal 32 are located within a predetermined distance, the composite IoT device 20 and the user terminal ( 32) each requesting execution of a one-time authentication protocol from the blockchain network 50, the blockchain network 50 generates a one-time key according to the one-time authentication protocol to generate a one-time key for the composite IoT device 20 and the user transmitting each to the terminal 32, and when the one-time key received by the composite IoT device 20 matches the one-time key received from the user terminal 32, the user terminal 32 is entitled to use Determining that there is a lock may include the step of opening the lock.

The user may request a lock open from the composite IoT device 20 coupled to the shared resource 10 that has obtained the right to use it through the user terminal 32 . The user terminal 32 may request unlocking of the lock directly from the composite IoT device 20 or through a dApp or blockchain network 50 .

Upon receiving the lock open request, the composite IoT device 20 may perform proximity determination to determine whether the user terminal 32 is located within a predetermined distance. If the user terminal 32 opens the lock module 21 based on the use right while the user terminal 32 is not near the shared resource 10, there is a risk that others without the use right will use the shared resource 10, It is a process of determining whether a user is located within a predetermined distance to the shared resource 10 . Since the determination of proximity is described in the process of describing the controller module 23 of the composite IoT device 20, overlapping contents are omitted. The user terminal 32 may transmit/receive a signal to/from the composite IoT device 20 using short-distance communication such as Wi-Fi, bluetooth, or NFC. The user terminal 32 transmits its GPS coordinates to the composite IoT device 20 to enable the composite IoT device 20 to perform proximity determination.

When it is determined that the user terminal 32 is located within a predetermined distance to the composite IoT device 20 , the composite IoT device 20 may provide a signal indicating that the proximity determination has been passed to the user terminal 32 . If the proximity determination is passed, the composite IoT device 20 and the user terminal 32 may request the blockchain network 50 to execute a one-time authentication protocol. When the execution request of the one-time authentication protocol received from the composite IoT device 20 and the user terminal 32 matches, the blockchain network 50 executes the one-time authentication protocol.

The one-time authentication protocol searches the record of use rights stored in the block chain 60, determines whether the user terminal 32 has the right to use the corresponding shared resource 10 at a predetermined time, and if there is a use right, the one-time authentication protocol generates and provides a one-time key to the composite IoT device 20 and the user terminal 32 . The one-time key may be an arbitrarily generated value, and may be encrypted and transmitted with a public key of each of the composite IoT device 20 and the user terminal 32 . When the one-time key received by the composite IoT device 20 is matched with the one-time key received by the user terminal 32, the composite IoT device 20 determines that the user terminal 32 has the right to use the lock module (21) can be unlocked. The user can use the shared resource 10 when the lock module 21 is opened. When the lock module 21 is coupled to the existing locking device of the shared resource 10 in an add-on method, the composite IoT device 20 provides the password of the existing locking device to the user terminal 32, and the user uses the user terminal 32 ), you can use the shared resource 10 by entering the password displayed in the existing lock.

The gateway module 27 may monitor the state of the shared resource 10 while the user uses the shared resource 10 . When the shared resource 10 is a space such as a conference room or accommodation facility, when the lock module 21 is opened, the gateway module 27 can sense whether a person enters or leaves the space that is the shared resource 10 . . The gateway module 27 may sense the usage state of the shared resource 10 continuously at predetermined intervals or when the lock module 21 is opened. The gateway module 27 may transmit the usage state of the shared resource 10 to the composite IoT device 20 .

The manager terminal 31 may perform an access management function of the shared resource 10 through the dApp 41 for the manager. The manager terminal 31 can monitor information about users who have applied for use of the shared resource 10 , information about the usage status of the shared resource 10 , usage records and reservation records of the shared resource 10 , etc. there is. The manager dApp 41 can request the manager smart contract to monitor the current state of the shared resource 10, and the manager smart contract is the shared resource 10 provided by the gateway module 27 from the composite IoT device 20. can be provided to the manager terminal 31 through the manager's dApp 41 by receiving the usage status.

The user stops using the shared resource 10 when the usage time based on the usage right is over. The composite IoT device 20 receives information about the usage state of the shared resource 10 from the gateway module 27 when the usage time based on the usage right ends and operates the locking module 21 to operate the shared resource ( 10) is judged to be blocked. For example, when the shared resource 10 is a space such as a conference room or accommodation facility, the gateway module 27 may sense whether a user exists in the space that is the shared resource 10 , and the space that is the shared resource 10 . When the user does not exist therein, the composite IoT device 20 may perform a use termination step (S40) of controlling the lock module 21 to be locked.

When the user's use is terminated by controlling the composite IoT device 20 to lock the locking module 21 , the composite IoT device 20 transmits the fact of termination to the blockchain network 50 . When the use of the shared service is terminated, the service usage details are transmitted to the block chain network 50 . The user's service usage history may be stored in the blockchain 60 or the distributed database 70 .

A shared service-linked total service recommendation method according to an embodiment of the present invention is a composite IoT device 20, a manager terminal 31 or a user terminal 32 that is coupled to a shared resource 10 to allow or block the use of the service. ) from the service information collection step (S50) of receiving and storing the service usage record through the block chain network 50, and based on the service usage record, the service used by the user who is recommended for the service and the service used by other users with similar service usage patterns It may include a curation step (S60) of recommending.

The service information collection step (S50) is a usage record transmission step (S51) in which the composite IoT device 20, the manager terminal 31, and the user terminal 32 transmit the service usage record to the block chain network 50, the service use The de-identification step (S52) of de-identifying before storing the personal information included in the record, and storing the service use record in the distributed database 70 and storing the service use record in the blockchain network 50 It may include a storage step (S53) of saving.

The usage record transmission step S51 is a step of collecting information related to the provision of services using the shared resource 10 . The service use record may include service type, location, cost, use start and end time, user's preference or non-preference score, user's service review, and the like. The blockchain network 50 may collect service usage records from the composite IoT device 20 , the manager terminal 31 , and the user terminal 32 .

In the service information collection step (S50), the block chain network 50 compares the service use record provided by the composite IoT device 20 with the service use record provided by the user terminal 32 and uses the collected service when they match You can save the record and not save if it doesn't match. When the use of the service starts and ends normally, the composite IoT device 20 and the user terminal 32 have the same service use record. The received data is reliable.

When the service usage record is received, the personal information included in the service usage record is de-identified (S52). De-identification of personal information included in service use records can be performed through de-identification algorithms such as anonymization, categorization, and total processing. Anonymization is the transformation or removal of some or all of the names of persons contained in data so that they cannot be recognized. For example, the name "Hong Gil-dong" can be partially changed to "Hong*dong", or all can be changed, such as "Customer 1". Total processing is to calculate the total amount when there are a plurality of values of a specific item. For example, if the number of transactions of "Hong*Dong" is "20/40/10", the total number of transactions may be counted as "70". Categorization is aggregation according to the range in which a particular value is included. For example, if the number of transactions of "Hong*Dong" is "13", it can be counted as "10 to 20" in advance.

When the de-identification of the service usage record is performed, a storage step (S53) of storing the service usage record is performed. The service usage record may be stored in the convex chain stored in the node 51 of the blockchain network 50 or in the distributed database 70 through the blockchain network 50 . Since the service usage records collected through the block chain network 50 may include records using various types of services by multiple users, various usage records related to various services may be collected. The service information collection step (S50) is continuously and repeatedly performed while the shared service is being performed, so that the service usage record can be continuously collected.

The matching server 80 may perform a curation step (S60) based on the big data collected a plurality of service usage records. The matching server 80 may read and analyze the service usage record stored in the distributed database 70 . The curation step S60 is executed when the user executes the dApp 42 for the user, the user terminal requests a recommendation, or terminates the use of the shared service to recommend a total service to the user. The curation step (S60) is a pattern analysis step (S61) of analyzing the user's service usage pattern by analyzing the user's past service usage record, the service usage pattern of another user analyzed based on the past service usage record of another user and A pattern comparison step (S62) of comparing the user's service use pattern to identify another user having a similar pattern, and the current state of the user received from the user terminal 32 among the services used by other users having a similar pattern It may include a state-based recommendation step (S63) of recommending a related service.

The pattern analysis step (S61) analyzes the service usage pattern of the user by analyzing the collected service usage record. The pattern analysis step (S61) is performed for each user to analyze the services used by the user using various standards and methods to recognize the pattern. When the pattern analysis step (S61) is performed, a pattern using the shared service is generated for each user. As a method of patterning the user's past service use record in the pattern analysis step (S61), a method such as scattering the data of the service use record, forming a tree diagram or multidimensional coordinates, or forming a characteristic vector may be used. As for the method of patterning the service use pattern of the user, a different patterning method may be selected according to an algorithm used when comparing the patterns in the pattern comparison step ( S62 ) of comparing the patterns.

The pattern comparison step ( S62 ) is a process of comparing the past service usage pattern of the user to whom the service is to be recommended with the service usage pattern of other users. When the pattern comparison step ( S62 ) is performed, it is possible to identify other users having a usage pattern similar to that of the user to whom the service is to be recommended. Since users with similar service usage patterns in the past have similar tastes, it is possible to provide a total service with high satisfaction when recommending services of other users with similar usage patterns. The pattern comparison step (S62) is matrix factorization, k-nearest neighbor algorithm (kNN), clustering analysis, artificial neural network, deep learning. ) can be used.

After identifying other users having similar patterns by comparing service usage patterns, it is possible to select a service to be recommended from among the services used by other users. The step of selecting and recommending a service from among the services used by other users includes a state-based recommendation step of recommending a suitable service based on the user's current status (S63), and recommending services in the order of preference of other users. It may include a preference-based recommendation step (S64), and a non-preference-based recommendation step (S65) of analyzing a positive part of a service in which other users' non-preferences exist and recommending it as a characteristic service. The state-based recommendation step (S63) is performed together with the preference-based recommendation step (S64) or the non-preference-based recommendation step (S65), and the service extracted by the preference-based recommendation step (S64) or the non-preference-based recommendation step (S65) is performed The state-based recommendation step (S63) may be further performed for the target.

6 is a diagram illustrating a state-based recommendation step S63 according to an embodiment of the present invention.

As shown in FIG. 6 , in the state-based recommendation step S63, a service suitable for the current state of the user may be recommended from among the services used in the past by other users with similar usage patterns. The user's current state may be recognized by the user terminal 32 and provided to the matching server 80 through the block chain network 50 . The current state of the user may include various information related to the user, such as current location, current time, biosignals, companion information, weather information, and search information. In the state-based recommendation step (S63), it is possible to first determine the availability of recommendation based on the user's current state (S63a). For example, it is possible to extract 4 available services from among 10 services used by other users based on whether they are available at the current time or at a time selected by the user. Depending on the type of service, it may not be available in rainy weather, so the availability may be determined based on weather information. Next, based on the user's current state, the available services are listed in the order of accessibility, and the services can be recommended in the order of accessibility (S63b). For example, services close to the user's current location may be extracted and recommended to the user in the order of proximity.

7 is a diagram illustrating a preference-based recommendation step S64 according to an embodiment of the present invention.

The curation step (S60) may further include a preference-based recommendation step (S64) of recommending services used by other users having a similar pattern in the order of preference scores. As shown in FIG. 7 , the preference-based recommendation step S64 may recommend a service preferred by another user. In order to perform the preference-based recommendation step (S64), the service usage record includes the history of using the service provided using the shared resource 10 and preference information in which the user inputs the satisfaction of the service as a score from preference to non-preference. can

The user may input preference or non-preference with respect to the service used by the user through the user terminal 32, and may input the strength of preference and non-preference as a score. If preference or non-preference for a service included in the service usage record is shown in a drawing, it may be illustrated as shown in FIG. 7 . A service that is preferred by other users having a similar usage pattern is highly likely to be preferred by a user to whom the service is recommended. Therefore, if the services are recommended in the order of the preference score, a service suitable for the user's taste can be provided. A user who is recommended for a service may be provided with a list of services listed in order preferred by other users.

8 is a diagram illustrating a non-preference-based recommendation step S65 according to an embodiment of the present invention.

As shown in FIG. 8 , the non-preference-based recommendation step S65 may provide a feature service to the user. When a service is recommended only based on preference, various services may not be recommended and a problem may arise in which recommendations are concentrated only on a few specific services. For example, the sooner the shared resource 10 is provided to the block chain network 50, the higher the likelihood that preference scores will be accumulated, and accordingly, a recommendation concentration phenomenon in which previously registered services are continuously recommended may occur.

When a user evaluates a service, there are various reasons for inputting a non-preference score. As for the service evaluation item, various criteria such as taste of food, kindness of customer service, comfort, etc. may exist, and the evaluation of the same service may be different according to a user's tendency. Therefore, even if a specific user inputs a non-preference score, it cannot be expected that other users are not satisfied with the same service. Therefore, even a service with a non-preferred score can be recommended because it can receive a good evaluation from other users. However, it is necessary to determine whether there are positive elements in the service, since elements that other users can be satisfied with are required even when a non-preference score is received.

In the non-preference-based recommendation step (S65), a review on the service receiving the non-preference score is analyzed. As shown in FIG. 8 , in the non-preference-based recommendation step S65, a service having a non-preference score among the services is classified and a review related to the service is analyzed. For example, a service 3 having a non-preference score is selected from among the services, and reviews existing in the service 3 are analyzed. By analyzing the contents of a plurality of reviews, it is possible to recognize a positive reaction that a user has for a corresponding service. It is possible to recognize which evaluation items are related by analyzing the recognized positive responses. For example, although there is an unfavorable score for Service 3, as a result of analyzing Review 2 among the reviews, it is possible to recognize a negative reaction that customer service was not friendly and a positive reaction that it is possible to experience a new kind of food. In this case, if a positive reaction is recognized in the item of type of food, service 3 may be provided as a characteristic service together with positive information of novelty of the type of food as a characteristic service.

Analysis target reviews are not limited to reviews left by users with similar usage patterns, but all reviews left on the service are analyzed. If we analyze only the reviews left by users with similar usage patterns, it is difficult to find reviews that evaluate the same service from a new perspective because users are more likely to evaluate it based on similar criteria, and recommend only specific types of services to specific types of people. problem arises. Since the non-preference-based recommendation step (S65) has an advantage in that the user can be recommended a service with a new characteristic, the scope of the analysis target review is the reviews left by all users, and a positive response is based on the reviews of people with different tendencies By analyzing , new services can be recommended.

9 is a diagram illustrating a sequential pattern recognition and sequential pattern comparison process according to an embodiment of the present invention.

In one embodiment of the present invention, the pattern analysis step (S61) and the pattern comparison step (S62) may be performed based on the service usage order. The pattern analysis step (S61) recognizes sequential patterns using various types of services in chronological order within a predetermined period range based on the user's past service use records, and the pattern comparison step (S62) is performed in comparing the sequential patterns. , it is possible to identify other users having a similar pattern by comparing the sequential patterns from the first service used to the most recently used service by the user recommended for the service within a predetermined period range.

The predetermined period range may be determined as one day or one week, and may be determined as a period set by a user to whom a service is to be recommended. For example, if a user who is to be recommended for a service determines the period in units of one day, the user's past service usage records can be analyzed for patterns in units of one day, and the past service usage records of other users are also determined in units of one day. patterns can be analyzed.

The sequential pattern is a service use pattern regarding the order in which the service is used. The sequential pattern may be generated based on the type of service. For example, if the services used by the user are listed in chronological order in the range of 1 day, service 1 (transportation), service 2 (tourism), service 3 (food), service 4 (tourism), service 5 (transportation), service 4 (financial) ... service No. (accommodation), and the like. In this specification, 'No.' is an arbitrary serial number for distinguishing a service.

In the pattern analysis step ( S61 ), a sequential pattern is analyzed in the past service use record of the user to be recommended for service, and the sequential pattern is analyzed in the past service use record of another user. When the pattern is analyzed, a pattern comparison step (S62) is performed. In the pattern comparison step ( S62 ), the sequential pattern of the user to be recommended for the service is compared with the sequential pattern of other users. In this case, it is possible to identify another user that matches the most recent sequential pattern of the user or has a similar sequential pattern within a predetermined range. For example, if a user to be recommended a service currently uses services 1 and 2, since service 3 does not exist in the sequential pattern, the sequential pattern is created only with services 1 and 2. At this time, by comparing the service 1 and service 2 in the sequential pattern generated only with the service 1 and the service 2 and the sequential patterns of other users, other users having a similar pattern can be identified.

If a user who is to be recommended a service within a predetermined range identifies another user having a similar pattern based on the service used so far, the service may be recommended from among the services corresponding to the next order in the sequential pattern of the other user. Even for users with similar sequential patterns based on services 1 and 2, service 3 corresponding to the next sequence is diverse. Accordingly, among the various types of services 3, the above-described state-based recommendation step S63, preference-based recommendation step S64, and non-preference-based recommendation step S65 can be performed.

The state-based recommendation step ( S63 ) may be performed based on the services used by other users having a similar sequential pattern to the user to be recommended for the service. In this case, various current states of the user may be considered in the state-based recommendation step ( S63 ). Whether there is a companion to use the service with the user, the user's physical condition (biometric signal, exercise amount, fatigue, etc.) Information and the like may be considered as the current state.

According to the above-described embodiment of the present invention, since the user can recommend various services or products of different types expected to be preferred by the user based on the record of using the service or product, the user can provide information on various services and products. information can be provided.

In addition, by providing the process of providing a shared service and recommending a total service through a platform using the blockchain network 50, the person providing the service and the person using the service can freely enter the market, thereby activating the sharing economy. there is.

Although the present invention has been described in detail through specific examples, this is for the purpose of describing the present invention in detail, and the present invention is not limited thereto, and by those of ordinary skill in the art within the technical spirit of the present invention. It will be clear that the transformation or improvement is possible.

All simple modifications and variations of the present invention fall within the scope of the present invention, and the specific scope of protection of the present invention will be made clear by the appended claims.

10: Shared Resources
20: Composite IoT Devices
21: lock module
22: communication module
23: controller module
24: input module
25: display module
26: power module
27: gateway module
31: manager terminal
32: user terminal
41: dApps for administrators
42: dApp for users
50: Blockchain Network
51: node
51a: communication department
51b: control
51c: storage
60: Blockchain
61: block
70: Distributed Database
80: matching server

Claims (9)

A service information collection step of receiving and storing service usage records through a block chain network from a composite IoT device, a manager terminal, or a user terminal that is coupled to various types of shared resources and allows or blocks the use of various types of services; and
a curation step of recommending a service used by a user who is recommended for a service and another user having a similar service usage pattern based on the service usage record,
The curation step is
a pattern analysis step of recognizing sequential patterns using various types of services in chronological order within a predetermined period, based on the user's past service use records;
In comparing the sequential patterns, a pattern comparison step of identifying other users having a similar sequential pattern by comparing the sequential patterns from the first service used by the user receiving the service recommendation within a predetermined period range to the most recently used service; and
and a recommending step of recommending, to the user terminal, one of the services in the next order used by other users having the similar sequential pattern. The method according to claim 1,
The service information collection step is
A usage record transmission step in which the composite IoT device, the manager terminal, and the user terminal transmit the service usage record to the block chain network;
a de-identification step of de-identifying before storing the personal information included in the service use record; and
and a storage step of storing the service usage record in a distributed database and storing the service usage record storage process in a block chain network. The method according to claim 1,
The service information collection step is
Shared service link total, in which the blockchain network compares the service usage record provided by the composite IoT device with the service usage record provided by the user terminal and stores the collected service usage record if they match and does not store if they do not match How to recommend service. The method according to claim 1,
The recommended step is
A shared service-linked total service recommendation method, which is a state-based recommendation step of recommending a service related to the current state of the user received from the user terminal from among the services of the next order used by other users having the similar sequential pattern. The method according to claim 1,
The service use record is
It further includes a history of using the service provided by using the shared resource and preference information in which the user inputs the satisfaction of the service as a score from preference to non-preference,
The recommended step is
A total service recommendation method linked to a shared service, which is a preference-based recommendation step of recommending the services of the next order used by other users having the similar sequential pattern in the order of preference score. The method according to claim 1,
The recommended step is
Classifying a service with a non-preference score among the services of the next order used by other users with a similar sequential pattern, analyzing the review of the classified service, extracting and presenting a characteristic corresponding to a positive response, and recommending it as a feature service A method of recommending total services linked to shared services, which is a non-preference-based recommendation stage. delete The method according to claim 1,
The composite IoT device is
a locking module coupled to various types of shared resources to physically or electrically open and close the shared resources;
a communication module for transmitting and receiving data to and from the user terminal or the block chain network; and
and a controller module that determines whether the user terminal has the right to use the shared resource based on the key received from the block chain network, and controls to open and close the lock module. 9. The method of claim 8,
Sharing is performed before the service information collection step, and the manager terminal registers information for providing the service and information on the composite IoT device to the block chain network to provide the service to the block chain network so that the service can be used A total service recommendation method linked to a shared service, further comprising a resource registration step.

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