KR20050066778A - Geographic information system based on web - Google Patents

Abstract

The present invention relates to a web-based geographic information retrieval system, and an object thereof is a web-based geographic information retrieval system for providing a related name of a region including a name input through a user terminal and related information constituting the region. To provide.

Web-based geographic information retrieval system according to the present invention is a web-based geographic information retrieval system that is executed in a server that can be connected to a plurality of user terminals, the geographic name receiving unit for receiving the input name input from the user terminal and from the name receiving unit; Related information processing including a web page search unit for collecting a web page related to an input name of an input and a related name extracting unit for extracting a related name that is located at a predetermined distance from a web page collected by the web page search unit; Module, a map database storing map information and geographical location information of each place name on the map, and a map extracting unit for reading a map of a region corresponding to an input place name received through the place name receiving unit from the map database; Input place name and related place name received through the place name receiving unit And a map information processing module including a map display unit which reads the geographical location of the relevant place name extracted by the map unit from the map database and displays it on a map read by the map extraction unit to provide to a user terminal. .

Accordingly, the web-based geographic information retrieval system according to the present invention provides a list of related information including related names and related words that are highly related to the input name of the input, and the geographical location of the input name and related name on the actual map. By displaying, it has the effect of providing a variety of geographic information to the user.

Description

Web-based geographic information retrieval system {GEOGRAPHIC INFORMATION SYSTEM BASED ON WEB}

The present invention relates to a geographic information retrieval service provided on the Internet. More particularly, the present invention relates to a web-based geographic information retrieval system that receives a name of a region to be searched and provides related information of a map and an input name of a corresponding region.

The GIS (GEOGRAPHIC INFORMATION SYSTEM) is an information system for efficiently utilizing the geographical information necessary for human life. Geographic Information System (GIS) is an information system that integrates and processes ATTRIBUTE DATA related to GEOGRAPHIC DATA, and efficiently collects, stores, updates, processes, analyzes and outputs various types of geographic information. It is a system that collectively includes the hardware, software, geographic information, and human resources used for the purpose.

On the other hand, general web-based information retrieval is performed by a user accessing a search engine such as NAVER, Yahoo, or Google through a terminal such as a computer connected to the Internet, for example. If you type, the search engine collects web pages related to the keyword. The search engine searches for the keyword entered from the user among the texts of the collected web pages, and if the keyword exists, recognizes the page as a relevant page and provides the user with an address list of the web page. The user may be provided with desired information by selecting one of the address lists provided from the search engine and going to the web site including the corresponding web page.

Recently, with the generalization of Internet communication, a web-based geographic information system (GIS) in which a search engine and a geographic information system are integrated has been developed to provide services to Internet users. In the conventional web-based geographic information system, when a user inputs a specific place name to be searched, the corresponding place name is displayed on a map or the homepage of the place name registered in the geographic information system is provided. For example, if a user enters 'airway' as a keyword, the location of 'airway' is displayed on the map, and the previously registered 'airway' homepage is not provided, so searching for unregistered web pages is impossible. .

In addition, since the conventional geographic information system searches for and provides information based on string matching, it is possible to know exactly or similarly the place names to be searched by the user. Therefore, when searching for another place name near the searched place name, it is inconvenient to find it through a separate search on the map on which the search place name is displayed.

The present invention was devised to solve such a problem, and an object thereof is to provide a web-based geographic information retrieval system that provides a related name of an area including an input name input through a user terminal and related information constituting the area. To provide.

Still another object of the present invention is to provide a web-based geographic information retrieval system providing a map in which the location of an input name and a related name are displayed, and providing distance information between the input name and the related name. It is.

Furthermore, it is to provide a web-based geographic information retrieval system that provides traffic information of input location.

It is another object of the present invention to provide a web-based geographic information retrieval system capable of searching for a related name within a distance input based on an input name.

It is still another object of the present invention to provide a web-based geographic information retrieval system that provides a list of URLs (UNIFORM RESOURCE LOCATOR) of web pages highly related to input names.

In a web-based geographic information retrieval system according to an aspect of the present invention for achieving the above object, a user requests access to a search server through his terminal, that is, a user terminal. The search server establishes a connection with the user terminal and transmits a geographic information search web page to the user terminal to receive a place name from the user. In order to provide convenience to users, the geo-search web page includes a keyword interface that receives a place name and displays a list of related place names and related information, and a map interface that displays a map including locations on the map of the place name and related place names to the user. Consists of

The user inputs a place name to search for via the keyword interface provided to his terminal and transmits the place name to the search server, and the search server collects a web page related to the input place name input from the user terminal through the search engine. The search server searches for the text included in the web page collected by the search engine, and extracts the relevant name and related information constituting the relevant area from a region within a predetermined distance included in the input name.

The search server reads from the map database the geographic location information input from the user terminal and the relevant location name extracted from the region within the predetermined distance included in the input name from the map database, and reads a map within a predetermined distance from the map database based on the input name. The location of the input name and the location of the associated name are displayed and provided through the map interface of the user terminal. In addition, a list of related names and related information extracted by the input name is provided through the keyword interface of the user terminal.

According to a further aspect of the present invention, the web-based geographic information retrieval system according to the present invention provides distance information between an input name and a selected related name when the user selects and clicks a related name on a map provided through a map interface. .

According to a further aspect of the present invention, a web-based geographic information retrieval system according to the present invention provides traffic information, such as bus lines, subway lines, road information, for example, input names input by a user.

According to a further aspect of the present invention, a web-based geographic information retrieval system according to the present invention receives a predetermined distance from a user and displays a list of related names within an input distance on a keyword interface centered on the input names, and places the related names. Is displayed on the map through the map interface.

According to a further aspect of the present invention, a web-based geographic information retrieval system according to the present invention may include a web interface for displaying a URL (UNIFORM RESOURCE LOCATOR) of a web page associated with an input place name from a user. The URL (UNIFORM RESOURCE LOCATOR) output through the web interface 130 calculates the relevance through a predetermined calculation system among the web pages associated with the input name collected by the search server, and calculates the high relevance web page. Display network address. In addition, if the user clicks the selected URL (UNIFORM RESOURCE LOCATOR), he / she will be directed to the web page.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce the present invention.

1 is a block diagram showing the overall configuration of a web-based geographic information retrieval system according to an embodiment of the present invention. As shown, the web-based geographic information retrieval system according to an embodiment of the present invention includes a search server 10, a user terminal 20, and an operator terminal 30.

Search server 10 is equipped with a geographic information search program for providing geographic information in response to the connection of a plurality of user terminals 20, it is connected to the user terminal 20 via the Internet. The search server 10 receives a place name input from the user terminal 20, that is, an input place name, and provides geographic information. The search server 10 uses a search engine to collect web pages associated with the place name. The search engine may be equipped with a built-in engine in the search server 10, and common search such as NAVER, Yahoo, and Google that are generally used on the Internet. The engine can be used in conjunction. From the web pages collected by the search engines, relevant names and related information that are highly related to the input names are extracted and the list is provided to the user. In addition, the user terminal 20 provides a map displaying the geographical location on the map of the input name and the associated name.

The user terminal 20 receives a geographic information service from the search server 10 by accessing the search server 10 through a network or the Internet. The user terminal 20 may be a general personal computer (PC), and the user may receive geographic information by accessing the search server 10 using his terminal, that is, a computer connected to the Internet.

The search server 10 operator manages the search server 10 by accessing the search server 10 through his computer. As new web pages related to the place name are created or contents related to the place name change, the search server 10 updates the geographic information provided to the user at predetermined intervals.

2 is an exemplary view showing in detail a web-based geographic information search web page according to an embodiment of the present invention. As shown, the web-based geographic information search web page according to the present invention includes a keyword interface 110 and a map interface 120. The keyword interface receives the input name from the user terminal 20 and the related name of the region within a predetermined distance including the input name extracted by the geographic information retrieval system of the search server 10 and the components that constitute the region. Display a list of information. For example, if a user inputs 'Gwanghwamun' as a nomenclature keyword, the search server 10 collects webpages related to 'Gwanghwamun' and relates to a region within a predetermined distance including 'Gwanghwamun' in the collected webpage. Extract names and related information that make up the area. The extracted related names and related information are sorted according to the degree of relevance to the entered names, and the number of search result lists is set by the server operator.

The keyword interface 110 displays, from the user terminal 20, a list display unit 112 for displaying a list of related names of a region within a predetermined distance including an input place name and an input place name and related information constituting the corresponding area and providing the list to the user's terminal. It includes. The list display unit 112 displays a related place name of a region within a predetermined distance including the input place name centered on the input place name input from the user and a related word constituting the area. For example, if the user inputs 'Gwanghwamun' as a keyword, the related information is geographically adjacent to 'Gwanghwamun' such as 'Gyeongbokgung,' 'Sejong Cultural Center', 'Deoksugung' and 'Changgyeonggung' The place name is displayed. Also, on the right side of the input name 'Gwanghwamun', the area is composed of 'Twin Building', 'Central Theater', 'Hanshin Core', 'Hospital', etc. Relevant information of non-names is displayed and transmitted to the user's terminal.

The map interface 120 displays a geographical position of a related place name of a region within a predetermined distance including an input place name and an input place name input from the user terminal 20 and transmits it to the user's terminal. The map interface 120 supports the main map unit 121 and the search server 10 that display actual maps of a predetermined distance, such as within 20 km of up, down, left, and right around a 'Gwanghwamun' centered on a place name input by a user. The sub map unit 122 on which the entire map is displayed is configured. The main map unit 121 displays an actual map within a predetermined distance centering on the input place name, and reads geographic location information of the relevant place name of the area within the predetermined distance including the input place name and the input place name from the map database 210 to the map. Display.

As a map of the map interface 120, a digital map is used, and a number of place names exist in the digital map. In an embodiment of the present invention, 1: 25,000 digital maps of Seoul and Gyeonggi-do areas produced by the National Geographical Institute are used, and about 30,000 names exist in the digital maps. Each place name on the map has its own value, for example, its latitude / longitude. When the relevant place name of the area within a predetermined distance including the input place name is extracted, the search server 10 reads the geographic location information of the place name and the place name, for example, coordinate values, from the map database 210, and reads the coordinates. The value is displayed on the map and provided to the user.

The sub map unit 122 displays a schematic map of a region supported by the search server 10 for searching geographic information, for example, Seoul, Gyeonggi, Busan, or Yeongnam, etc., and is input from the user terminal 20. The location of the place name and the geographical location of the associated place name are displayed and provided to the user terminal 20.

According to a further aspect of the present invention, a web-based geographic retrieval web page according to an embodiment of the present invention includes a web interface 130 for displaying a URL (UNIFORM RESOURCE LOCATOR) of a web page associated with an input geographic name. The web interface inputs names in digital maps, such as 'Gwanghwamun' and 'Hangjusanseong,' as input names to search engines such as NAVER, YAHOO, and GOOGLE. Search for the page. Since the URL (UNIFORM RESOURCE LOCATOR) of the web page appearing on the first result page of the search engine is a web page highly related to the input input name, the search server 10 collects and stores this URL. A predetermined number of highly relevant web pages are selected from the URLs (UNIFORM RESOURCE LOCATOR) of the collected web pages and transmitted to the user terminal 20 through the web interface 130. In one embodiment of the present invention, a URL (UNIFORM RESOURCE LOCATOR) of the ten most relevant web pages is provided to the user. The user may move to the web page by selecting and clicking one of the URLs (UNIFORM RESOURCE LOCATOR) of the web page displayed on the web interface 120.

According to an additional aspect of the present invention, the map interface 120 of the web-based geographic information retrieval system according to an embodiment of the present invention may select a related place name displayed on a map and click it with an input means, for example, a mouse. In this case, distance information between the input name and the selected related name is provided. When a user selects a relevant place name and transmits it to the search server 10 in a map provided to the user through the map interface 120, the search server 10 receives the information, for example, geographic location information of the related place name. Calculate the coordinate value. The distance between the two names is calculated by comparing the calculated coordinate values with the coordinates of the input names and transmitted to the user terminal 20.

According to a further aspect of the present invention, a geographic information retrieval system according to the present invention provides traffic information. The traffic information database 235 stores traffic information of a plurality of place names existing in the numerical map, for example, bus routes, subway information, and road information. When a user selects a place name from a map provided to the user through the map interface 120 and transmits the place name to the search server 10, the search server 10 receives the place name selection information and transmits traffic information of the place name to the traffic information database ( Read in step 235) and provide it to the user.

According to an additional aspect of the present invention, the keyword interface 110 of the web-based geographic information retrieval system according to an embodiment of the present invention receives distance information from a user and associates a name within a distance input based on the input name. Is provided to the user terminal through the keyword interface, and is displayed through the map interface 120 to the user terminal. The search server 10 reads the geographic location information of the input name and the extracted related name, for example, coordinate values from the map database 231, and displays the related name located within a distance input from the geographic location of the input name. The map read out at 231 is displayed and provided to the user terminal 20.

3 is a block diagram of a web-based geographic information retrieval system according to another embodiment of the present invention. As shown, the web-based geographic information retrieval system according to the present invention includes a communication module, a related information processing module 220, and a map information processing module 230. The communication module 210 may be, for example, a wired or wireless modem for internet communication, and establishes and communicates with a plurality of user terminals 20 connected to the Internet.

The related information processing module 220 extracts related information related to the input place name by using the input place name input from the user terminal and provides the list to the user terminal. The related information processing module 220 includes a place name receiving unit 221, a web page search unit 222, and a related place name extracting unit 223. The name receiving unit 221 receives a name input by the user from the user terminal 20 connected to the Internet. The web page search unit 222 may be a search engine built in a geographic information system, and is connected to common search engines such as NAVER, Yahoo, and Google that are generally used on the Internet. Can be used.

The web page search unit 222 collects web pages highly related to the input place names among a plurality of web pages registered in the search engine by using the input place names input from the place name receiving unit 221 as keywords. The web page search unit 222, that is, the search engine, searches whether the input place name input from the user is included among the texts of the plurality of web pages registered in the search engine, and recognizes the page as a related page when the input place name exists. Since the web page located at the top of the search result list of the search engine is calculated to be highly related to the input name, the web page and the lower pages included in the web page are collected and stored.

The related map extracting unit 223 searches for and extracts a related place name in a region including an input place name, for example, that is related to the input place name in the web pages collected by the web page collecting unit and the text in the lower web page. For example, if a user inputs 'Gwanghwamun' as a keyword, relevant geographical names adjacent to 'Gwanghwamun' such as 'Gyeongbokgung Palace', 'Sejong Cultural Center', 'Deoksugung Palace' and 'Changgyeonggung' are displayed. The related names extracted by the related name extraction unit 223 are collected according to the input names and the degree of relevance. For example, the related names extracted according to the distance between two names, historical relations, and the like are determined.

According to a further aspect of the present invention, the related information processing module 220 of the web-based geographic information retrieval system according to the present invention further includes a related information display unit 224. The related information display unit 224 configures a related name extracted by the related name extracting unit 223 as a list and transmits it to the user terminal 20.

According to a further aspect of the present invention, the related information processing module 220 of the web-based geographic information retrieval system according to the present invention further includes a related information extraction unit 225. The related information extracting unit 225 may include words related to an input place name in the web pages collected by the web page searching unit 222 and texts in sub-web pages, for example, 'theater', 'hospital', and 'building'. Extract relevant information such as buildings, government offices, amusement facilities, and public facilities that are highly related to the input name and the web. For example, when a user inputs 'Gwanghwamun' as a keyword, the related information extracting unit 225 may include 'twin building', 'central theater', and 'hanshin' in a web page collected by the webpage searching unit 222. Input information such as 'core' and 'hospital' such as 'Gwanghwamun' and relevant information on the web are extracted. The related word list extracted by the related information extraction unit 225 is transmitted to the user terminal 20 by the related information display unit 224.

The map search module 260 outputs a map of a region within a predetermined distance including an input place name received from the user terminal 20, and maps the geographical location of the place name and the associated place name extracted by the related information search module 220. It is displayed on the map and provided to the user terminal 20. The map search module 230 includes a map database 231, a map extractor 232, and a map display unit 233.

The map database 231 stores a map of a region corresponding to a place name included in a measured map of the entire search area provided by a web-based geographic information retrieval system and geographical location information of each place name on the map. The map extractor 232 reads, from the map database 231, a map of a region within a predetermined distance including the input place name around the geographical position of the input place name input from the place name receiving unit 221.

The map display unit 233 reads the geographic position of the related place name extracted by the input place name and the related place name extraction unit 223 from the map database 231, displays it on the corresponding map, and transmits it to the user terminal 20. When the input place name is received from the place name receiving unit 221, the map display unit 233 reads the geographical position information of the input place name, for example, the coordinate value of the input place name from the map database 231, and displays the coordinate value on the map. Provided to the terminal 20. The coordinate value may use a latitude / longitude value of an input place name, and may use a coordinate value on a digital map used in the present invention. In addition, the map display unit 233 receives a related name extracted from the related name extraction unit 223, reads the geographic location information of the relevant name from the map database 231 and displays it on a map to display the user terminal 20. To provide.

According to a further aspect of the present invention, the map information processing module 230 according to the present invention further includes a distance information providing unit 234. The distance information providing unit 234 receives selection information of a place name displayed on a map provided to the user terminal 20, calculates distance information between the input place name and the selected place name, and provides the same to the user terminal 20. In the map provided to the user terminal 20, the user inputs place name selection information by clicking on a related place name displayed on the map using an input means, for example, a computer mouse. The distance information providing unit reads the coordinates of the selected name on the map from the map database 231, calculates distance information between the input name input from the name receiving unit 221 and the selected related name, and provides the same to the user terminal 20. The distance between names can be calculated by, for example, calculating a distance on a map between two names using coordinates of two names, and corresponding distances corresponding to the scale of the map.

According to a further aspect of the present invention, the map search module 230 according to the present invention may further include a traffic information database 235 and a traffic information provider 236. The traffic information database 235 stores traffic information of each place name on a map of a predetermined area searchable by the geographic information retrieval system according to the present invention, for example, city bus route information, subway line information, and various road information. The traffic information provider 236 receives the input location name from the user terminal 20, and receives the traffic information of the input location name, for example, the route of the city bus, the line of the subway, and the road information passing through the area. It reads from 270 and provides it to the user terminal 20.

According to a further aspect of the present invention, the relevant information retrieval module 220 of the web-based geographic information retrieval system according to the present invention may further include a distance receiver 226. The distance receiving unit 226 receives a distance desired to be searched from the user terminal 20 and searches for geographic information within a distance input in the up, down, left, and right directions based on the input name input to the name receiving unit 221. To provide. For example, if an input name of 'Gwanghwamun' is received by the name receiving unit 221 and 10km of distance information is received from the distance receiving unit, the search server 10 is connected with a related name located within a radius of 10km around 'Gwanghwamun' and Only relevant information is extracted and provided to the user. If the user does not input the distance information, the search system applies the distance information specified by the server operator.

According to a further aspect of the present invention, the web-based geographic information retrieval system according to the present invention may further include a URL (UNIFORM RESOURCE LOCATOR) processing module 240. The URL (UNIFORM RESOURCE LOCATOR) processing module 240 includes a URL (UNIFORM RESOURCE LOCATOR) collecting unit 241 and a URL (UNIFORM RESOURCE LOCATOR) providing unit 242. The URL collection unit 241 collects the URL (UNIFORM RESOURCE LOCATOR) of the web page collected by the web page retrieval unit 222. The URL (UNIFORM RESOURCE LOCATOR) provider 242 provides the user terminal 20 with a list of URLs (UNIFORM RESOURCE LOCATOR) of the web pages collected by the URL (UNIFORM RESOURCE LOCATOR) collector 241. In addition, when the user selects and clicks one of the list of URLs (UNIFORM RESOURCE LOCATOR) of the web page output to his terminal, the URL (UNIFORM RESOURCE LOCATOR) provider 242 receives the selection information of the corresponding web page and Set up a connection to a web page.

As described above, the web-based geographic information retrieval system according to the present invention provides a list of related names and related information that are highly related to the input name of the input, and displays the geographic location of the input name and the associated name on the actual map. This has the effect of providing more diverse geographic information to the user.

In addition, by displaying the distance information between the relevant name extracted from the area including the input name and the traffic information of the input name input from the user, it has the effect of providing the user with convenience when moving to the area.

In addition, by receiving the input name and the distance information of the range to be searched from the input name input from the user to provide the relevant name and related information in the area of the corresponding distance, it has the effect of providing convenience for the user to search.

The present invention has been described above with reference to preferred embodiments, but is not limited thereto, and is interpreted by the appended claims, which are intended to cover many modifications that will be apparent to those skilled in the art without departing from the scope of the present invention. Should be done.

1 is a schematic diagram showing the overall configuration of a web-based geographic information retrieval system according to an embodiment of the present invention.

2 is an exemplary view showing in detail a geographic information search web page provided to a user terminal according to an embodiment of the present invention.

3 is a block diagram of a web-based geographic information retrieval system according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10. Search Server 20. User Terminal

30. Operator terminal 100. Geographic information search web page

110. Keyword interface 111. Keyword input section

112. List display unit 120. Map interface

121. Main Leadership 122. Sub Leadership

130. Web Interface 210. Communication Modules

220. Related information processing module 221. Geographic name receiving unit

222. Web page search unit 223. Related name extraction unit

224. Related information display section 225. Related information extraction section

230. Map information processing module 231. Map database

232.Map extractor 233. Map display

234. Distance information provider 235. Traffic information database

236. Traffic Information Provider

Claims (7)

In the web-based geographic information retrieval system running on a server that can be connected to a plurality of user terminals, A place name receiving unit for receiving an input place name input from the user terminal, A web page search unit for collecting a web page related to the input name input from the name receiving unit; A related information processing module including a related name extracting unit extracting a related name associated with an input name from the web page collected by the web page searching unit; A map database that stores map information and geographical location information of each name on the map; A map extracting unit configured to read a map of an area corresponding to the input name received through the name receiving unit from the map database; A map display unit for reading the input location name received through the place name receiving unit and the geographical location of the associated place name extracted by the associated place name extraction unit from the map database and displaying the map read out by the map extraction unit to provide to the user terminal. Map information processing module comprising; Web-based geographic information retrieval system comprising a. The method according to claim 1, wherein the related information processing module is: A related information display unit for displaying a list of related names extracted from the related name output unit on a user terminal; Web-based geographic information retrieval system further comprises. The method according to claim 1 or 2, wherein the related information processing module is: A related information extracting unit for extracting related information related to an input place name from the web page collected by the web page searching unit; The related information display unit: Providing a list of related information extracted from the related information extraction unit to a user terminal; Web-based geographic information retrieval system characterized in that. The method of claim 1, The related information processing module: A distance receiving unit receiving a distance of a range to be searched based on an input place name from the user terminal; The map extractor: Reading a map up, down, left, and right as far as the center of the input name received through the name receiving unit from the map database; The map display unit: Reading from the map database the input geographical name received through the geographical name receiving unit and the geographical name of the relevant geographical name extracted by the relevant geographical name extracting unit, displaying the geographical location of the relevant geographical name on the map read by the map extracting unit, and providing the same to the user terminal; Web-based geographic information retrieval system characterized in that. The module of claim 1, wherein the map information processing module comprises: A distance information providing unit configured to receive selection information of a related place name displayed on a map from the user terminal, calculate distance information between an input place name and a related place name, and provide the same to a user terminal; Web-based geographic information retrieval system further comprising. The method according to claim 1 or 5, wherein the map information processing module is: A traffic information database for storing traffic information of each place name on a map stored in the map database; A traffic information provider for reading and providing traffic information of an input place name from the traffic information database; Web-based geographic information retrieval system further comprises. The system of claim 1, wherein the web-based geographic information retrieval system comprises: A URL collection unit for extracting a URL (UNIFORM RESOURCE LOCATOR) of a web page related to an input place name collected from the web page search unit; A URL processing module including a URL providing unit displaying a list of URLs of a web page extracted by the URL collecting unit on the user terminal; Web-based geographic information retrieval system comprising a further.