CN112035654B - Automatic derivation generation method for questions - Google Patents
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Abstract
The invention discloses an automatic deriving and generating method of questions, which comprises the steps of S10, obtaining student information and obtaining knowledge points to be examined corresponding to the student information, S20, determining questions matched with the student information and the knowledge points to be examined according to the student information and the knowledge points to be examined, and S30, generating the questions which correspond to the knowledge points to be examined and are consistent with the questions according to the questions and the knowledge points to be examined. According to the technical scheme, the problem can be automatically generated according to the knowledge points to be examined of the students, the repetition probability of the generated problem and the existing problem is low, the problem generation efficiency is improved, and the examination effect of the problem on the students is improved.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to an automatic title derivative generation method.
Background
With the development and popularization of computer technology and the internet, the work, study and life style of people are changed greatly, for example, people acquire knowledge by increasingly using computers, the computers provide more and more convenient services for people, and in the education field, the computer technology provides convenience for teachers and students.
At present, aiming at practice problems or test problems contacted by teachers or students at ordinary times, the problems are basically searched from a test problem library according to the teaching requirements of the subject by the teachers, are easy to repeat with the existing problems, have high problem repetition rate and are not beneficial to the examination of the students.
Disclosure of Invention
The invention provides an automatic title derivation generation method.
The invention provides a method for automatically deriving and generating topics, which comprises the following steps of S10-S30:
Step S10, student information is obtained, and knowledge points to be examined corresponding to the student information are obtained;
Step S20, determining a question type matched with the student information and the knowledge point to be examined according to the student information and the knowledge point to be examined;
And step S30, generating a question corresponding to the knowledge point to be examined and consistent with the question according to the question type and the knowledge point to be examined.
Preferably, the step S10 of obtaining student information and obtaining knowledge points to be examined corresponding to the student information includes:
The method comprises the steps of obtaining student information, wherein the student information comprises student characteristic information, student grade information, student capability information and historical test information, and the student characteristic information comprises any one or more of student number, student name, student class and student age;
Obtaining subject information matched with the student grade information according to the student grade information;
extracting all subject knowledge points matched with the student information in the subject information according to the subject information;
acquiring mastered knowledge points corresponding to the student information according to the student capability information and the history test information;
And comparing the mastered knowledge points with the corresponding knowledge points of all subjects to obtain the non-mastered knowledge points corresponding to the student information, and taking the non-mastered knowledge points as the knowledge points to be examined corresponding to the student information.
Preferably, the determining, according to the student information and the knowledge point to be examined, a question type matched with the student information and the knowledge point to be examined includes:
acquiring a difficulty coefficient corresponding to the knowledge point to be examined;
acquiring a difficulty coefficient range of a question acceptable by a student corresponding to student information according to the student capability information;
judging whether the difficulty coefficient corresponding to the knowledge point to be examined exceeds the difficulty coefficient range;
if the difficulty coefficient range is not exceeded, determining a first question type as the question type matched with the student information and the knowledge point to be examined, wherein the first question type comprises any question type of a question and a gap-filling question;
If the difficulty coefficient range is exceeded, determining a second question type as the question type matched with the student information and the knowledge point to be examined, wherein the second question type comprises any one of a judgment question and a selection question.
Preferably, the method further comprises:
pushing the generated questions to student terminals corresponding to the student information, so that students can perform corresponding tests based on the generated questions;
and acquiring a test result obtained by testing the students corresponding to the student information based on the generated questions and feedback information of the students.
Preferably, the method further comprises:
Searching a system question bank according to the generated questions, and identifying whether the system question bank has the same existing questions as the questions;
if the existing topics which are the same as the topics do not exist, the topics are saved to the system topics;
if there is an existing topic identical to the topic, step S30 is re-executed to generate a new topic.
Preferably, when there are a plurality of knowledge points to be examined, generating a question corresponding to the knowledge point to be examined and consistent with the question according to the question type and the knowledge point to be examined, including steps A1-A6:
a1, acquiring a text from a preset text library, and splitting the text to obtain a text abstract and text main body content corresponding to the text;
Step A2, judging whether the text abstract comprises at least M1 knowledge points to be examined, if yes, continuing the step A3, otherwise, returning to the step A1, wherein M1 is a positive integer equal to or greater than 1;
Step A3, segmenting the text main body content to obtain a plurality of sub-contents, removing the sub-contents which do not comprise any knowledge point to be examined from the plurality of sub-contents, and leaving a plurality of first target sub-contents, wherein each first target sub-content comprises at least one knowledge point to be examined;
Step A4, calculating the weight ratio of the knowledge points to be examined in the text main body content, which are included in each first target sub-content;
Step A5, screening the plurality of first target sub-contents according to the weight ratio to obtain a left second target sub-content;
And A6, generating a question which contains the knowledge points to be examined and is consistent with the question type according to the second target sub-content.
Preferably, the step A4 of calculating a weight ratio of the knowledge point to be examined included in each first target sub-content in the text body content includes:
Calculating the degree of association between the plurality of first target sub-contents according to the following formula (1):
In the formula (1), g i represents the ratio of the knowledge points to be mastered included in the i-th first target sub-content to all the knowledge points to be mastered, g i+1 represents the ratio of the knowledge points to be mastered included in the i+1th first target sub-content to all the knowledge points to be mastered, g i-1 represents the ratio of the knowledge points to be mastered included in the first target sub-content to all the knowledge points to be mastered, d i represents the ratio of the storage space occupied by the i-th first target sub-content to the storage space occupied by the text main content, d i+1 represents the ratio of the storage space occupied by the i+1th first target sub-content to the storage space occupied by the text main content, d i-1 represents the ratio of the storage space occupied by the i-1th first target sub-content to the storage space occupied by the text main content, and n represents the total number of the first target sub-content;
Using formula (2), calculating the space ratio s 1k of all the first target sub-contents including the kth point of knowledge to be examined in the text body contents, wherein the space ratio s 1k is as follows:
Wherein m represents the total number of paragraphs of the text main body content, H kj represents the number of lines occupied by the first target sub-content including the kth knowledge point to be examined in the jth segment, H j represents the total number of lines included in the jth segment, delta 1k represents the space duty correction value corresponding to s 1k, and the space duty correction value is a preset value, and the value range is [0.01,0.05];
calculating the frequency of occurrence ratio s 2k of all the first target sub-contents including the kth knowledge point to be examined in the text body content by using the formula (3), wherein the method comprises the following steps:
Wherein P kj represents the occurrence number of the kth knowledge point to be examined in the jth segment, G kj represents the total occurrence number of each knowledge point to be examined in the jth segment, delta 2k represents the corresponding occurrence frequency duty ratio correction value of s 2k, which is a preset value and has a value range of [0.01,0.02];
According to the F, the s 1k, the s 2k and the following formula (4), calculating a weight ratio w k of the kth knowledge point to be examined in the text body content, wherein the weight ratio comprises:
In the formula (4), a represents a constant related to s 1k, which is 0.7, and b represents a constant related to s 2k, which is 0.3.
Preferably, the step A5 of screening the plurality of first target sub-contents according to the weight ratio to obtain a remaining second target sub-content includes:
Determining a target knowledge point to be inspected, wherein the corresponding weight duty ratio of the target knowledge point is equal to or larger than a preset weight duty ratio threshold value;
acquiring each first target sub-content comprising the target knowledge point to be inspected, and taking each first target sub-content comprising the target knowledge point to be inspected as the second target sub-content;
And step A6, generating a question which contains the knowledge points to be inspected and is consistent with the question type according to the second target sub-content, wherein the step A6 comprises the following steps:
and according to the current second target sub-content and the extracted target knowledge points to be inspected, generating a question corresponding to the extracted target knowledge points to be inspected and consistent with the question type.
The automatic deriving and generating method of the questions can intelligently and automatically generate the questions according to the knowledge points to be examined of the students, avoids the repetition of the questions with the existing test questions, has low question repetition rate, can improve the examination effect of the students, has high question generation speed, improves the efficiency and accuracy of the question generation, and improves the intelligence and objectivity of the question generation.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic workflow diagram of one embodiment of the subject auto-derivatization method of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The invention provides an automatic deriving generation method of questions, which aims to automatically derive corresponding questions according to related knowledge points to replace the traditional question-setting mode of manual question setting.
FIG. 1 is a schematic workflow diagram of one embodiment of the subject automatic derivative generation method of the present invention, which can be implemented as steps S10-S30 described below:
And S10, acquiring student information and acquiring knowledge points to be examined corresponding to the student information.
And step S20, determining the question type matched with the student information and the knowledge point to be examined according to the student information and the knowledge point to be examined.
And step S30, generating a question corresponding to the knowledge point to be examined and consistent with the question according to the question type and the knowledge point to be examined.
In one embodiment, the step S10 of obtaining student information and obtaining knowledge points to be examined corresponding to the student information may be specifically implemented as:
The method comprises the steps of obtaining student information, wherein the student information comprises student characteristic information, student grade information, student capability information and historical test information, and the student characteristic information comprises any one or more of student number, student name, student class and student age;
Obtaining subject information matched with the student grade information according to the student grade information;
extracting all subject knowledge points matched with the student information in the subject information according to the subject information;
acquiring mastered knowledge points corresponding to the student information according to the student capability information and the history test information;
And comparing the mastered knowledge points with the corresponding knowledge points of all subjects to obtain the non-mastered knowledge points corresponding to the student information, and taking the non-mastered knowledge points as the knowledge points to be examined corresponding to the student information.
In one embodiment, the determining the question type matching with the student information and the knowledge point to be examined according to the student information and the knowledge point to be examined may be implemented as follows:
acquiring a difficulty coefficient corresponding to the knowledge point to be examined;
acquiring a difficulty coefficient range of a question acceptable by a student corresponding to student information according to the student capability information;
judging whether the difficulty coefficient corresponding to the knowledge point to be examined exceeds the difficulty coefficient range;
if the difficulty coefficient range is not exceeded, determining a first question type as the question type matched with the student information and the knowledge point to be examined, wherein the first question type comprises any question type of a question and a gap-filling question;
If the difficulty coefficient range is exceeded, determining a second question type as the question type matched with the student information and the knowledge point to be examined, wherein the second question type comprises any one of a judgment question and a selection question.
In one embodiment, the method may further comprise the steps of:
Pushing the questions generated in the step S30 to student terminals corresponding to the student information, so that students can perform corresponding tests based on the generated questions;
and acquiring a test result obtained by testing the students corresponding to the student information based on the generated questions and feedback information of the students.
In one embodiment, the method may further comprise the steps of:
Searching a system question bank according to the generated questions, and identifying whether the system question bank has the same existing questions as the questions;
if the existing topics which are the same as the topics do not exist, the topics are saved to the system topics;
if there is an existing topic identical to the topic, step S30 is re-executed to generate a new topic.
The technical scheme can conveniently and rapidly expand the topics in the system topics, and improves the topic expansion speed of the system topic database.
In one embodiment, when there are multiple knowledge points to be examined (for example, when the knowledge points to be examined are multiple english knowledge points, the english knowledge points may be vocabulary, idioms, grammar, fixed sentence patterns or structures, etc.), the generating, according to the question type and the knowledge points to be examined, a question corresponding to the knowledge points to be examined and consistent with the question type may include steps A1-A6:
A1, acquiring a text (such as English novels) from a preset text library, and splitting the text to obtain a text abstract and text main body content corresponding to the text;
Step A2, judging whether the text abstract comprises at least M1 knowledge points to be examined, if yes, continuing the step A3, otherwise, returning to the step A1, wherein M1 is a positive integer equal to or greater than 1;
Step A3, segmenting the text main body content to obtain a plurality of sub-contents, removing the sub-contents which do not comprise any knowledge point to be examined from the plurality of sub-contents, and leaving a plurality of first target sub-contents, wherein each first target sub-content comprises at least one knowledge point to be examined;
Step A4, calculating the weight ratio of the knowledge points to be examined in the text main body content, which are included in each first target sub-content;
Step A5, screening the plurality of first target sub-contents according to the weight ratio to obtain a left second target sub-content;
And A6, generating a question which contains the knowledge points to be examined and is consistent with the question type according to the second target sub-content.
In one embodiment, the step A4 of calculating the weight ratio of the knowledge point to be examined included in each first target sub-content in the text body content includes:
Calculating the degree of association between the plurality of first target sub-contents according to the following formula (1):
In the formula (1), g i represents the ratio of the knowledge points to be mastered included in the i-th first target sub-content to all the knowledge points to be mastered, g i+1 represents the ratio of the knowledge points to be mastered included in the i+1th first target sub-content to all the knowledge points to be mastered, g i-1 represents the ratio of the knowledge points to be mastered included in the first target sub-content to all the knowledge points to be mastered, d i represents the ratio of the storage space occupied by the i-th first target sub-content to the storage space occupied by the text main content, d i+1 represents the ratio of the storage space occupied by the i+1th first target sub-content to the storage space occupied by the text main content, d i-1 represents the ratio of the storage space occupied by the i-1th first target sub-content to the storage space occupied by the text main content, and n represents the total number of the first target sub-content;
Using formula (2), calculating the space ratio s 1k of all the first target sub-contents including the kth point of knowledge to be examined in the text body contents, wherein the space ratio s 1k is as follows:
Wherein m represents the total number of paragraphs of the text main body content, H kj represents the number of lines occupied by the first target sub-content including the kth knowledge point to be examined in the jth segment, H j represents the total number of lines included in the jth segment, delta 1k represents the space duty correction value corresponding to s 1k, and the space duty correction value is a preset value, and the value range is [0.01,0.05];
calculating the frequency of occurrence ratio s 2k of all the first target sub-contents including the kth knowledge point to be examined in the text body content by using the formula (3), wherein the method comprises the following steps:
Wherein P kj represents the occurrence number of the kth knowledge point to be examined in the jth segment, G kj represents the total occurrence number of each knowledge point to be examined in the jth segment, delta 2k represents the corresponding occurrence frequency duty ratio correction value of s 2k, which is a preset value and has a value range of [0.01,0.02];
According to the F, the s 1k, the s 2k and the following formula (4), calculating a weight ratio w k of the kth knowledge point to be examined in the text body content, wherein the weight ratio comprises:
In the formula (4), a represents a constant related to s 1k, which is 0.7, and b represents a constant related to s 2k, which is 0.3.
In one embodiment, the step A5 of screening the plurality of first target sub-contents according to the weight ratio to obtain a remaining second target sub-content includes:
Determining a target knowledge point to be inspected, wherein the corresponding weight duty ratio of the target knowledge point is equal to or larger than a preset weight duty ratio threshold value;
acquiring each first target sub-content comprising the target knowledge point to be inspected, and taking each first target sub-content comprising the target knowledge point to be inspected as the second target sub-content;
And step A6, generating a question which contains the knowledge points to be inspected and is consistent with the question type according to the second target sub-content, wherein the step A6 comprises the following steps:
and according to the current second target sub-content and the extracted target knowledge points to be inspected, generating a question corresponding to the extracted target knowledge points to be inspected and consistent with the question type.
For example, when the question type is a selected question and the current second target sub-content is an English paragraph, the English paragraph includes three sentences, one English paragraph includes two knowledge points to be examined, one English sentence is an English vocabulary, and the other English paragraph is a fixed sentence structure, then the question corresponding to the extracted target knowledge point to be examined can be generated according to the current second target sub-content and the extracted target knowledge point to be examined, and the question corresponding to the question type can be implemented by eliminating the target knowledge point to be examined in the current second target sub-content and replacing the target knowledge point with brackets, and providing a plurality of corresponding selectable filling items for each bracket, thereby generating the question.
The automatic deriving and generating method of the questions can intelligently and automatically generate the questions according to the knowledge points to be examined of the students, avoids the repetition of the questions with the existing test questions, has low question repetition rate, can improve the examination effect of the students, has high question generation speed, improves the efficiency and accuracy of the question generation, and improves the intelligence and objectivity of the question generation.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1996030844A1 (en) * | 1995-03-28 | 1996-10-03 | Takashi Ogata | Support system for automation of story structure preparation |
| CN111192170A (en) * | 2019-12-25 | 2020-05-22 | 平安国际智慧城市科技股份有限公司 | Topic pushing method, device, equipment and computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996030844A1 (en) * | 1995-03-28 | 1996-10-03 | Takashi Ogata | Support system for automation of story structure preparation |
| CN111192170A (en) * | 2019-12-25 | 2020-05-22 | 平安国际智慧城市科技股份有限公司 | Topic pushing method, device, equipment and computer readable storage medium |
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