CN108389147A - Item difficulty hierarchical processing method and system - Google Patents
Item difficulty hierarchical processing method and system Download PDFInfo
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- CN108389147A CN108389147A CN201810163091.9A CN201810163091A CN108389147A CN 108389147 A CN108389147 A CN 108389147A CN 201810163091 A CN201810163091 A CN 201810163091A CN 108389147 A CN108389147 A CN 108389147A
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Abstract
The invention discloses a kind of item difficulty hierarchical processing method and systems, to automatically determine the grade of difficulty of examination question；Item difficulty hierarchical processing method of the present invention and system pass through acquisition training examination question and examination question to be fractionated；According to the knowledge point that the trained examination question includes, structure weighs the feature set of item difficulty grade；The feature set is inputted in predetermined level judgment models and be trained, according to training result, the corresponding grade of difficulty of the examination question to be fractionated is analyzed, and determine the grade of difficulty of the examination question to be fractionated；Advantageous effect with the grade of difficulty for automatically determining examination question, improves efficiency, has saved human resources and time cost.
Description
Technical field
The present invention relates to technical field of data processing, more particularly to a kind of item difficulty hierarchical processing method and system.
Background technology
Currently, for the ease of understanding the study situation of teaching affairs and student in time, essentially all of school has certainly
Oneself test item bank.When setting up test item bank or later stage for the first time and being updated to the examination question in test item bank, need to forming examination question
The grade of difficulty of the examination question in library is classified；Existing way is when setting up test item bank for the first time, to need manually in test item bank
The grade of difficulty of per pass examination question is classified；When being updated to the examination question in test item bank in the later stage, point of item difficulty grade
Grade redefines the grade of difficulty for having examination question, is also required to manually carry out；It is time-consuming and laborious, waste of resource.
Invention content
A kind of item difficulty hierarchical processing method of present invention offer and system, to automatically determine the grade of difficulty of examination question.
The present invention provides a kind of item difficulty hierarchical processing method, the item difficulty hierarchical processing method includes：
Obtain training examination question and examination question to be fractionated；
According to the knowledge point that the trained examination question includes, structure weighs the feature set of item difficulty grade；
The feature set is inputted in predetermined level judgment models and is trained, according to training result, to described to be fractionated
The corresponding grade of difficulty of examination question is analyzed, and determines the grade of difficulty of the examination question to be fractionated.
Preferably, the feature set of the item difficulty grade includes：The corresponding difficulty or ease coefficient in the knowledge point and/or important
Grade.
Preferably, the acquisition training examination question includes：
According to important level and each student corresponding mistake of all knowledge points in syllabus in history duration
Rate and average answer duration, structure examination question train library；
It is trained in library from the examination question of structure and extracts corresponding examination question as the trained examination question.
Preferably, the knowledge point for including according to the trained examination question, structure weigh the feature set of item difficulty grade,
Including：
Count the frequency of use of the trained examination question and the quantity of knowledge point that the trained examination question is included；
It obtains corresponding each knowledge point in the trained examination question, error rate of the student in history duration and averagely answers
Inscribe duration and the corresponding important level in the knowledge point；
According to the corresponding error rate in the knowledge point of acquisition and average answer duration, analysis obtains the knowledge point
Difficulty or ease coefficient；
According to the frequency of use of the trained examination question, the difficulty or ease coefficient of the knowledge point and important level, structure weighs examination
Inscribe the feature set of grade of difficulty.
Preferably, described input the feature set in predetermined level judgment models is trained, right according to training result
The corresponding grade of difficulty of the examination question to be fractionated is analyzed, and determines the grade of difficulty of the examination question to be fractionated, including：
The feature set is inputted into predetermined level judgment models, extracts the characteristic parameter for including in the feature set；
The training that difficulty of knowledge points grade is carried out by the characteristic parameter, is calculated corresponding difficulty in each knowledge point etc.
Grade；
The knowledge point that examination question to be fractionated is included is extracted, the grade of difficulty for each knowledge point that control training obtains determines institute
State the grade of difficulty of examination question to be fractionated.
Corresponding to a kind of item difficulty hierarchical processing method presented above, the present invention also provides a kind of item difficulties
It is classified processing system, the item difficulty classification processing system includes：
Examination question acquisition module, for obtaining trained examination question and examination question to be fractionated；
Feature construction module, the knowledge point for including according to the trained examination question, structure weigh item difficulty grade
Feature set；
Grade classification module is trained for inputting the feature set in predetermined level judgment models, according to training
As a result, analyzing the corresponding grade of difficulty of the examination question to be fractionated, and determine the grade of difficulty of the examination question to be fractionated.
Preferably, the feature set of the item difficulty grade includes：The corresponding difficulty or ease coefficient in the knowledge point and/or important
Grade.
Preferably, the examination question acquisition module is used for：
According to important level and each student corresponding mistake of all knowledge points in syllabus in history duration
Rate and average answer duration, structure examination question train library；
It is trained in library from the examination question of structure and extracts corresponding examination question as the trained examination question.
Preferably, the feature construction module is used for：
Count the frequency of use of the trained examination question and the quantity of knowledge point that the trained examination question is included；
It obtains corresponding each knowledge point in the trained examination question, error rate of the student in history duration and averagely answers
Inscribe duration and the corresponding important level in the knowledge point；
According to the corresponding error rate in the knowledge point of acquisition and average answer duration, analysis obtains the knowledge point
Difficulty or ease coefficient；
According to the frequency of use of the trained examination question, the difficulty or ease coefficient of the knowledge point and important level, structure weighs examination
Inscribe the feature set of grade of difficulty.
Preferably, the grade classification module is used for：
The feature set is inputted into predetermined level judgment models, extracts the characteristic parameter for including in the feature set；
The training that difficulty of knowledge points grade is carried out by the characteristic parameter, is calculated corresponding difficulty in each knowledge point etc.
Grade；
The knowledge point that examination question to be fractionated is included is extracted, the grade of difficulty for each knowledge point that control training obtains determines institute
State the grade of difficulty of examination question to be fractionated.
Preferably, the examination question acquisition module, feature construction module, grade classification module are placed in classification processing service
Device；
The item difficulty is classified processing system, further includes：
Examination question storage server, for obtaining the corresponding grade of difficulty of examination question from the classification processing server, and will examination
Topic and its corresponding grade of difficulty correspond to storage；
Make the test computer, for obtaining examination question and its corresponding grade of difficulty from the examination question storage server, by examination question
And its corresponding grade of difficulty is shown to the teacher that makes the test for its selection, receives the test questions choice instruction for the teacher's input that makes the test, transfers
It includes the paper of the selected examination question that test questions choice, which instructs corresponding selected examination question, generation,；
The computer that makes the test also is connect with the first physical characteristics collecting device；
The first physical characteristics collecting device, the biological information for acquiring the teacher that makes the test；
The computer that makes the test further includes：
Memory module, for by the paper of the generation it is corresponding with the biological information for the teacher that makes the test storage；
The item difficulty is classified processing system, further includes managing test paper server, examination management server, examination answer
Computer and the second physical characteristics collecting device：
Managing test paper server, the biology for obtaining the paper and the teacher that makes the test of corresponding storage in the computer that makes the test
Characteristic information；Show that multiple test sheet identifications are selected for examination management teacher；Obtain selected test sheet identification；It transfers selected
The corresponding selected paper of test sheet identification and the biological information of the corresponding teacher that makes the test of the selected paper；
Examination management server, it is for the unique mark in examination classroom where obtaining examination answer computer, this is unique
Mark is sent to the managing test paper server；
The managing test paper server, being additionally operable to setting, uniquely corresponding Crypted password and decryption are close with the unique mark
Code, is encrypted the selected paper using the Crypted password, generates encryption examination papers；It will encryption examination papers and the selected examination
The biological information for rolling up the corresponding teacher that makes the test is sent to examination management server；
The examination management server is connect with the examination answer computer, for receiving the managing test paper service
The biological information of the encryption examination papers that device the is sent teacher that makes the test corresponding with the selected paper；
The second physical characteristics collecting device, the invigilator for examination classroom where acquiring the examination answer computer are old
The biological information of teacher, and the biological information of supervisor is sent to the examination management server；
The examination management server, the biological information for being additionally operable to compare supervisor are corresponding with the selected paper
Make the test the biological information of teacher, when the life of the biological information of supervisor and the corresponding teacher that makes the test of the selected paper
When object characteristic information mismatches, paper decoding request is sent to the managing test paper server, which includes the examination
The unique mark in examination classroom where answer computer；
The managing test paper server is additionally operable to when receiving the paper decoding request, will uniquely be marked in the request
Know corresponding clear crytpographic key and is sent to the examination management server；
The examination management server is additionally operable to after receiving the clear crytpographic key that the managing test paper server is sent,
The encryption examination papers are decrypted using the clear crytpographic key, obtain decryption examination papers, decryption examination papers are sent to
Examination answer computer in each of examination classroom is shown where the examination answer computer；
The examination management server is additionally operable to go out when the biological information of supervisor is corresponding with the selected paper
When rolling up the biometric information matches of teacher, examination where sending the examination answer computer to the managing test paper server
The supervisor in classroom and the teacher that makes the test may be the first alert notice of same people, and send described the to examination management terminal
One alert notice.
Preferably, the examination answer computer is connect with a mouse；
Push type fingerprint sensor is provided on the upper surface of the touch key of the mouse, the push type fingerprint passes
Sensor is used for when examinee carries out answer operation using the mouse to the paper that examination answer Computer display goes out, in the mouse
Target touch key acquires the finger print information of the examinee while being pressed down every time；
The push type fingerprint sensor is connect with a processor, and the processor is connect with a communication module, described logical
News module is connect with the examination management server；The processor acquires every time for obtaining the push type fingerprint sensor
The first finger print information of the examinee arrived, and when collecting every time by the communication module by this collected first fingerprint
Information is sent to the examination management server；
The examination management server is additionally operable in the first finger print information for receiving the communication module every time and sending
When, obtain the second finger print information of the legal examinee corresponding to the examination answer computer；By the first finger print information and second
Finger print information is compared；When comparison result is that the two mismatches, the second alarm is sent to the client of the supervisor
Notice, second alert notice include the mark of the examination answer computer.
A kind of item difficulty hierarchical processing method of the present invention and system can reach following advantageous effect：
Pass through acquisition training examination question and examination question to be fractionated；According to the knowledge point that the trained examination question includes, structure weighs examination
Inscribe the feature set of grade of difficulty；The feature set is inputted in predetermined level judgment models and is trained, it is right according to training result
The corresponding grade of difficulty of the examination question to be fractionated is analyzed, and determines the grade of difficulty of the examination question to be fractionated；With automatic
The advantageous effect for determining the grade of difficulty of examination question, improves efficiency, has saved human resources and time cost.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by the explanations write
Pointed content is realized and is obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention is described further.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of flow diagram of embodiment of item difficulty hierarchical processing method of the present invention；
Fig. 2 is a kind of high-level schematic functional block diagram of embodiment of item difficulty classification processing system of the present invention.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The present invention provides a kind of item difficulty hierarchical processing method and systems, to automatically determine the difficulty etc. of examination question
Grade.
As shown in Figure 1, Fig. 1 is a kind of flow diagram of embodiment of item difficulty hierarchical processing method of the present invention；
A kind of item difficulty hierarchical processing method of the present invention may be implemented as the step S10-S30 of description：
Step S10, training examination question and examination question to be fractionated are obtained；
In the embodiment of the present invention, item difficulty is classified the training that processing system (hereinafter referred to as " classification processing system ") obtains
In examination question and examination question to be fractionated, the trained examination question can be understood as：In order to improve predetermined level judgment models to item difficulty
The determination of grade, and the examination question for having carried grade of difficulty chosen；The examination question to be fractionated is it needs to be determined that grade of difficulty
Examination question.
Wherein, analysis system obtains the trained examination question and can take such as under type：
According to important level and each student corresponding mistake of all knowledge points in syllabus in history duration
Rate and average answer duration, structure examination question train library；It trains in library, is extracted described in corresponding examination question conduct from the examination question of structure
Training examination question.
In the embodiment of the present invention, since different knowledge points are in different times, corresponding important level is different, therefore,
When building examination question training library, the determination of item difficulty grade can be carried out as the case may be；In addition, for the examination question built
Training library, as needed, when classification processing system receives more new command, update examination question trains library.Be classified processing system from
When extracting corresponding examination question in examination question training library as training examination question, it can be extracted according to the characteristics of examination question to be fractionated,
It can extract at random.
Step S20, the knowledge point for including according to the trained examination question, structure weigh the feature set of item difficulty grade；
After classification processing system gets trained examination question, the knowledge point that the training examination question according to acquisition is included, structure weighing apparatus
Measure the feature set of item difficulty grade；The feature set of the item difficulty grade includes：The corresponding difficulty or ease coefficient in the knowledge point
And/or important level.
In the embodiment of the present invention, the knowledge point that classification processing system includes according to the trained examination question, structure weighs examination question
The feature set of grade of difficulty can be taken such as under type：
The knowledge point that classification processing system counts the frequency of use of the trained examination question and the trained examination question is included
Quantity；It obtains corresponding each knowledge point in the trained examination question, error rate of the student in history duration and averagely answers
Inscribe duration and the corresponding important level in the knowledge point；According to the corresponding error rate peace in the knowledge point of acquisition
Equal answer duration, analysis obtain the difficulty or ease coefficient of the knowledge point；For example, in a specific application scenarios, the error rate
Higher and average answer duration is longer, then the corresponding difficulty or ease coefficient in the knowledge point is higher, and difficulty or ease coefficient is higher, indicates the knowledge point
Grade of difficulty it is bigger, the knowledge point is for student, more indigestibility.If length when error rate height but average answer, or it is wrong
Accidentally the low but average answer duration of rate is longer, then is directed to such case, can be according to both error rate and average answer duration respectively
Corresponding weight, to determine the corresponding difficulty or ease coefficient in the knowledge point.It is classified processing system and frequency is used according to the trained examination question
Rate, the difficulty or ease coefficient of the knowledge point and important level, structure weigh the feature set of item difficulty grade；This feature is concentrated, packet
The information such as the frequency of use of the difficulty or ease coefficient and important level and the knowledge point of corresponding knowledge point in history duration are contained.
Step S30, the feature set is inputted in predetermined level judgment models and is trained, according to training result, to institute
It states the corresponding grade of difficulty of examination question to be fractionated to be analyzed, and determines the grade of difficulty of the examination question to be fractionated.
In the embodiment of the present invention, since the knowledge point of the training examination question of classification processing system acquisition and examination question to be fractionated institute are right
The knowledge point answered, the two are not necessarily coincide, that is to say, that the knowledge point that examination question to be fractionated includes not necessarily all can be in training
It is all found out in the knowledge point that examination question is included, therefore, classification processing system needs the feature set of the training examination question according to acquisition,
Predetermined level judgment models are trained.According to training result, the complexity of examination question to be fractionated is analyzed and is determined,
To obtain the corresponding grade of difficulty of examination question to be analyzed.
In a preferred embodiment of the invention, the feature set is inputted predetermined level judgment models by classification processing system
In be trained, according to training result, the corresponding grade of difficulty of the examination question to be fractionated is analyzed, and waits for described in determining point
The grade of difficulty of grade examination question, may be implemented as：
The feature set is inputted into predetermined level judgment models, extracts the characteristic parameter for including in the feature set；Institute
Stating the characteristic parameter that feature set includes includes but not limited to：The difficulty or ease coefficient and important level of knowledge point and the knowledge point exist
Frequency of use in history duration.The training that difficulty of knowledge points grade is carried out by the characteristic parameter, is calculated each knowledge
The corresponding grade of difficulty of point；For example, features described above parameter is substituted into predetermined level judgment models, calculating is sentenced by the predetermined level
The trained values that disconnected model obtains；Judge the trained values whether in preset tolerance interval；If the trained values are advance
In the tolerance interval of setting, then using the above-mentioned characteristic parameter being trained, corresponding difficulty in each knowledge point etc. is calculated
Grade；If the trained values not in preset tolerance interval, utilize other features different from features described above parameter to join
Number continues to train, until obtained trained values are in preset tolerance interval.If frequency of training reaches trained threshold
When value, obtained trained values cannot still meet preset tolerance interval, then according to the characteristic parameter of acquiescence, be calculated
The corresponding grade of difficulty in each knowledge point；Alternatively, replacing other predetermined level judgment models, continue the instruction of characteristic parameter
Practice, until obtained trained values in preset tolerance interval, then take the characteristic parameter that final training uses and right
The corresponding grade of difficulty in each knowledge point is calculated in the predetermined level judgment models answered.
Processing system is classified according to the corresponding grade of difficulty in each knowledge point being calculated, extracting examination question to be fractionated is included
Knowledge point, the grade of difficulty of each knowledge point that control training obtains determines the grade of difficulty of examination question to be fractionated.It is specific one
In application scenarios, the grade of difficulty of each knowledge point obtained according to training first obtains when determining the grade of difficulty of examination question to be fractionated
The number for the knowledge point that examination question to be fractionated is included；If the examination question to be fractionated only includes a knowledge point, which corresponds to
Grade of difficulty be the corresponding grade of difficulty of the examination question to be fractionated；If the examination question to be fractionated includes multiple knowledge points, basis
The weighted value of each examination question to be fractionated of each knowledge point composition, and the corresponding grade of difficulty in each knowledge point is combined, determine that this is waited for
It is classified the grade of difficulty of examination question.
Item difficulty hierarchical processing method of the present invention passes through acquisition training examination question and examination question to be fractionated；It is tried according to the training
The knowledge point that topic includes, structure weigh the feature set of item difficulty grade；The feature set is inputted into predetermined level judgment models
In be trained, according to training result, the corresponding grade of difficulty of the examination question to be fractionated is analyzed, and waits for described in determining point
The grade of difficulty of grade examination question；Advantageous effect with the grade of difficulty for automatically determining examination question, improves efficiency, has saved manpower money
Source and time cost.
Corresponding to a kind of item difficulty hierarchical processing method that Fig. 1 embodiments are provided, the present invention also provides one kind such as
Item difficulty shown in Fig. 2 is classified processing system, and the item difficulty classification processing system is able to carry out embodiment described in Fig. 1 and retouches
A kind of item difficulty hierarchical processing method stated；Based on the description of embodiment described in Fig. 1, as shown in Fig. 2, item difficulty of the present invention
Being classified processing system includes：
Examination question acquisition module 100, for obtaining trained examination question and examination question to be fractionated；
Feature construction module 200, the knowledge point for including according to the trained examination question, structure weigh item difficulty grade
Feature set；
Grade classification module 300 is trained for inputting the feature set in predetermined level judgment models, according to instruction
Practice as a result, analyzing the corresponding grade of difficulty of the examination question to be fractionated, and determine the grade of difficulty of the examination question to be fractionated.
In a preferred embodiment of the invention, the feature set of the item difficulty grade includes：The knowledge point corresponds to
Difficulty or ease coefficient and/or important level.
In a preferred embodiment of the invention, the examination question acquisition module 100 is used for：
According to important level and each student corresponding mistake of all knowledge points in syllabus in history duration
Rate and average answer duration, structure examination question train library；
It is trained in library from the examination question of structure and extracts corresponding examination question as the trained examination question.
In a preferred embodiment of the invention, the feature construction module 200 is used for：
Count the frequency of use of the trained examination question and the quantity of knowledge point that the trained examination question is included；
It obtains corresponding each knowledge point in the trained examination question, error rate of the student in history duration and averagely answers
Inscribe duration and the corresponding important level in the knowledge point；
According to the corresponding error rate in the knowledge point of acquisition and average answer duration, analysis obtains the knowledge point
Difficulty or ease coefficient；
According to the frequency of use of the trained examination question, the difficulty or ease coefficient of the knowledge point and important level, structure weighs examination
Inscribe the feature set of grade of difficulty.
In a preferred embodiment of the invention, the grade classification module 300 is used for：
The feature set is inputted into predetermined level judgment models, extracts the characteristic parameter for including in the feature set；
The training that difficulty of knowledge points grade is carried out by the characteristic parameter, is calculated corresponding difficulty in each knowledge point etc.
Grade；
The knowledge point that examination question to be fractionated is included is extracted, the grade of difficulty for each knowledge point that control training obtains determines institute
State the grade of difficulty of examination question to be fractionated.
Item difficulty classification processing system of the present invention passes through acquisition training examination question and examination question to be fractionated；It is tried according to the training
The knowledge point that topic includes, structure weigh the feature set of item difficulty grade；The feature set is inputted into predetermined level judgment models
In be trained, according to training result, the corresponding grade of difficulty of the examination question to be fractionated is analyzed, and waits for described in determining point
The grade of difficulty of grade examination question；Advantageous effect with the grade of difficulty for automatically determining examination question, improves efficiency, has saved manpower money
Source and time cost.
In one embodiment, after carrying out grade of difficulty to examination question using preceding solution, these can also be utilized
Examination question come generate paper for examination be used, in order to avoid examination when supervisor it is identical as the teacher that makes the test and leak out the examination questions or
The case where cheating, the embodiment of the present invention have also carried out some improvement on the basis of preceding solution, have obtained following technical side
Case：
The examination question acquisition module, feature construction module, grade classification module are placed in classification processing server；
The item difficulty is classified processing system, further includes：
Examination question storage server, for obtaining the corresponding grade of difficulty of examination question from the classification processing server, and will examination
Topic and its corresponding grade of difficulty correspond to storage；
Make the test computer, for obtaining examination question and its corresponding grade of difficulty from the examination question storage server, by examination question
And its corresponding grade of difficulty is shown to the teacher that makes the test for its selection, receives the test questions choice instruction for the teacher's input that makes the test, transfers
It includes the paper of the selected examination question that test questions choice, which instructs corresponding selected examination question, generation,；
The computer that makes the test also is connect with the first physical characteristics collecting device；
The first physical characteristics collecting device, the biological information for acquiring the teacher that makes the test；
The computer that makes the test further includes：
Memory module, for by the paper of the generation it is corresponding with the biological information for the teacher that makes the test storage；
The item difficulty is classified processing system, further includes managing test paper server, examination management server, examination answer
Computer and the second physical characteristics collecting device：
Managing test paper server, the biology for obtaining the paper and the teacher that makes the test of corresponding storage in the computer that makes the test
Characteristic information；Show that multiple test sheet identifications are selected for examination management teacher；Obtain selected test sheet identification；It transfers selected
The corresponding selected paper of test sheet identification and the biological information of the corresponding teacher that makes the test of the selected paper；
Examination management server, it is for the unique mark in examination classroom where obtaining examination answer computer, this is unique
Mark is sent to the managing test paper server；
The managing test paper server, being additionally operable to setting, uniquely corresponding Crypted password and decryption are close with the unique mark
Code, is encrypted the selected paper using the Crypted password, generates encryption examination papers；It will encryption examination papers and the selected examination
The biological information for rolling up the corresponding teacher that makes the test is sent to examination management server；
The examination management server is connect with the examination answer computer, for receiving the managing test paper service
The biological information of the encryption examination papers that device the is sent teacher that makes the test corresponding with the selected paper；
The second physical characteristics collecting device, the invigilator for examination classroom where acquiring the examination answer computer are old
The biological information of teacher, and the biological information of supervisor is sent to the examination management server；
The examination management server, the biological information for being additionally operable to compare supervisor are corresponding with the selected paper
Make the test the biological information of teacher, when the life of the biological information of supervisor and the corresponding teacher that makes the test of the selected paper
When object characteristic information mismatches, paper decoding request is sent to the managing test paper server, which includes the examination
The unique mark in examination classroom where answer computer；
The managing test paper server is additionally operable to when receiving the paper decoding request, will uniquely be marked in the request
Know corresponding clear crytpographic key and is sent to the examination management server；
The examination management server is additionally operable to after receiving the clear crytpographic key that the managing test paper server is sent,
The encryption examination papers are decrypted using the clear crytpographic key, obtain decryption examination papers, decryption examination papers are sent to
Examination answer computer in each of examination classroom is shown where the examination answer computer；
The examination management server is additionally operable to go out when the biological information of supervisor is corresponding with the selected paper
When rolling up the biometric information matches of teacher, examination where sending the examination answer computer to the managing test paper server
The supervisor in classroom and the teacher that makes the test may be the first alert notice of same people, and send described the to examination management terminal
One alert notice.
Above-mentioned technical proposal, supervisor is avoided using technological means and the case where teacher is same people that make the test occurs, when
When supervisor and the teacher that makes the test are not same people, smoothly encryption examination papers can be decrypted, successfully start to take an examination；Work as prison
It examines teacher and makes the test teacher when being same people, examination management terminal can receive the first alert notice, and examination management personnel pass through
The terminal learns supervisor and can replace supervisor rapidly after the teacher the case where being same people of making the test, subsequently still according to
Preceding solution carry out, when determine supervisor and make the test teacher be not same people when, can smoothly to encryption examination papers into
Row decryption, successfully starts to take an examination.Also, it is respectively that different Crypted password and clear crytpographic key is arranged in each examination classroom,
To ensure that the paper in each examination classroom is to manage independently, improves paper content security, further reduced cheating
Possibility.Above-mentioned technical proposal, supervisor is avoided using technological means and the case where teacher is same people that make the test occurs, and is kept away
Exempt to leak out the examination questions or practise fraud to happen, ensure that the fairness of examination.
In one embodiment, in order to avoid examinee practised fraud in examination process (such as have gunman replace examinee into
Row examination), the embodiment of the present invention is also improved on the basis of above-mentioned technical proposal, as follows：
The examination answer computer is connect with a mouse；
Push type fingerprint sensor is provided on the upper surface of the touch key of the mouse, the push type fingerprint passes
Sensor is used for when examinee carries out answer operation using the mouse to the paper that examination answer Computer display goes out, in the mouse
Target touch key acquires the finger print information of the examinee while being pressed down every time；As it can be seen that examinee is described in utilization
When mouse carries out answer operation, the action for pressing touch key plays the role of two, and one is to realize answer operation,
Another effect is simultaneously so that push type fingerprint sensor has collected finger print information；
The push type fingerprint sensor is connect with a processor, and (communication module can for the processor and a communication module
To be USB interface, bluetooth module, WIFI module etc.) it connects, the communication module is connect with the examination management server；Institute
First finger print information of the processor for obtaining the push type fingerprint sensor collected examinee every time is stated, and is being adopted every time
This collected first finger print information is then sent to the examination management server by collection by the communication module；
The examination management server is additionally operable in the first finger print information for receiving the communication module every time and sending
When, obtain the second finger print information of the legal examinee corresponding to the examination answer computer (can in advance acquire before examination
The second finger print information of each legal examinee simultaneously stores, and before examination, examination management server is each legal examinee's distribution
Corresponding examination answer computer, and by the corresponding examination answer computer of the second finger print information of each legal examinee
The corresponding storage of mark)；First finger print information is compared with the second finger print information；When comparison result is that the two mismatches,
The second alert notice is sent to the client of the supervisor, second alert notice includes that the examination answer calculates
The mark of machine replaces artificial invigilator in this way, supervisor can learn which examinee is practising fraud using technological means,
Improve invigilator's efficiency and invigilator's effect.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of item difficulty hierarchical processing method, which is characterized in that the item difficulty hierarchical processing method includes：
Obtain training examination question and examination question to be fractionated；
According to the knowledge point that the trained examination question includes, structure weighs the feature set of item difficulty grade；
The feature set is inputted in predetermined level judgment models and is trained, according to training result, to the examination question to be fractionated
Corresponding grade of difficulty is analyzed, and determines the grade of difficulty of the examination question to be fractionated.
2. item difficulty hierarchical processing method as described in claim 1, which is characterized in that
The feature set of the item difficulty grade includes：The corresponding difficulty or ease coefficient in the knowledge point and/or important level；
And/or
Acquisition training examination question includes：
According to important level of all knowledge points in syllabus in history duration and the corresponding error rate of each student and
Average answer duration, structure examination question train library；
It is trained in library from the examination question of structure and extracts corresponding examination question as the trained examination question.
3. item difficulty hierarchical processing method as claimed in claim 1 or 2, which is characterized in that described to be tried according to the training
The knowledge point that topic includes, structure weigh the feature set of item difficulty grade, including：
Count the frequency of use of the trained examination question and the quantity of knowledge point that the trained examination question is included；
When obtaining corresponding each knowledge point in the trained examination question, the student in history duration error rate and average answer
The corresponding important level of length and the knowledge point；
According to the corresponding error rate in the knowledge point of acquisition and average answer duration, analysis obtains the difficulty of the knowledge point
Easy coefficient；
According to the frequency of use of the trained examination question, the difficulty or ease coefficient of the knowledge point and important level, it is difficult that structure weighs examination question
Spend the feature set of grade.
4. item difficulty hierarchical processing method as claimed in claim 1 or 2, which is characterized in that described that the feature set is defeated
Enter and be trained in predetermined level judgment models, according to training result, the corresponding grade of difficulty of the examination question to be fractionated is carried out
Analysis, and determine the grade of difficulty of the examination question to be fractionated, including：
The feature set is inputted into predetermined level judgment models, extracts the characteristic parameter for including in the feature set；
The training that difficulty of knowledge points grade is carried out by the characteristic parameter, is calculated the corresponding grade of difficulty in each knowledge point；
The knowledge point that examination question to be fractionated is included is extracted, the grade of difficulty of trained obtained each knowledge point is compareed, is waited for described in determination
It is classified the grade of difficulty of examination question.
5. a kind of item difficulty is classified processing system, which is characterized in that the item difficulty is classified processing system and includes：
Examination question acquisition module, for obtaining trained examination question and examination question to be fractionated；
Feature construction module, the knowledge point for including according to the trained examination question, structure weigh the feature of item difficulty grade
Collection；
Grade classification module is trained for inputting the feature set in predetermined level judgment models, according to training result,
The corresponding grade of difficulty of the examination question to be fractionated is analyzed, and determines the grade of difficulty of the examination question to be fractionated.
6. item difficulty as claimed in claim 5 is classified processing system, which is characterized in that
The feature set of the item difficulty grade includes：The corresponding difficulty or ease coefficient in the knowledge point and/or important level；
And/or
The examination question acquisition module is used for：
According to important level of all knowledge points in syllabus in history duration and the corresponding error rate of each student and
Average answer duration, structure examination question train library；
It is trained in library from the examination question of structure and extracts corresponding examination question as the trained examination question.
7. as item difficulty described in claim 5 or 6 is classified processing system, which is characterized in that the feature construction module is used
In：
Count the frequency of use of the trained examination question and the quantity of knowledge point that the trained examination question is included；
When obtaining corresponding each knowledge point in the trained examination question, the student in history duration error rate and average answer
The corresponding important level of length and the knowledge point；
According to the corresponding error rate in the knowledge point of acquisition and average answer duration, analysis obtains the difficulty of the knowledge point
Easy coefficient；
According to the frequency of use of the trained examination question, the difficulty or ease coefficient of the knowledge point and important level, it is difficult that structure weighs examination question
Spend the feature set of grade.
8. as item difficulty described in claim 5 or 6 is classified processing system, which is characterized in that the grade classification module is used
In：
The feature set is inputted into predetermined level judgment models, extracts the characteristic parameter for including in the feature set；
The training that difficulty of knowledge points grade is carried out by the characteristic parameter, is calculated the corresponding grade of difficulty in each knowledge point；
The knowledge point that examination question to be fractionated is included is extracted, the grade of difficulty of trained obtained each knowledge point is compareed, is waited for described in determination
It is classified the grade of difficulty of examination question.
9. item difficulty as claimed in claim 5 is classified processing system, which is characterized in that
The examination question acquisition module, feature construction module, grade classification module are placed in classification processing server；
The item difficulty is classified processing system, further includes：
Examination question storage server, for from the corresponding grade of difficulty of classification processing server acquisition examination question, and by examination question and
Its corresponding grade of difficulty corresponds to storage；
Make the test computer, for obtaining examination question and its corresponding grade of difficulty from the examination question storage server, by examination question and its
Corresponding grade of difficulty is shown to the teacher that makes the test for its selection, receives the test questions choice instruction for the teacher's input that makes the test, transfers examination question
The corresponding selected examination question of selection instruction, generation include the paper of the selected examination question；
The computer that makes the test also is connect with the first physical characteristics collecting device；
The first physical characteristics collecting device, the biological information for acquiring the teacher that makes the test；
The computer that makes the test further includes：
Memory module, for by the paper of the generation it is corresponding with the biological information for the teacher that makes the test storage；
The item difficulty is classified processing system, further includes managing test paper server, examination management server, examination answer calculating
Machine and the second physical characteristics collecting device：
Managing test paper server, the biological characteristic for obtaining the paper and the teacher that makes the test of corresponding storage in the computer that makes the test
Information；Show that multiple test sheet identifications are selected for examination management teacher；Obtain selected test sheet identification；Transfer selected paper
Identify corresponding selected paper and the biological information of the corresponding teacher that makes the test of the selected paper；
Examination management server, for the unique mark in examination classroom where obtaining examination answer computer, by the unique mark
It is sent to the managing test paper server；
The managing test paper server is additionally operable to setting and the unique mark uniquely corresponding Crypted password and clear crytpographic key,
The selected paper is encrypted using the Crypted password, generates encryption examination papers；It will encryption examination papers and the selected paper
The biological information of the corresponding teacher that makes the test is sent to examination management server；
The examination management server is connect with the examination answer computer, for receiving the managing test paper server hair
The biological information of the encryption examination papers the sent teacher that makes the test corresponding with the selected paper；
The second physical characteristics collecting device, supervisor's for examination classroom where acquiring the examination answer computer
Biological information, and the biological information of supervisor is sent to the examination management server；
The examination management server, the biological information for being additionally operable to compare supervisor are chosen that paper is corresponding makes the test with this
The biological information of teacher, when the biology of the biological information of supervisor and the corresponding teacher that makes the test of the selected paper is special
When reference breath mismatches, paper decoding request is sent to the managing test paper server, which includes the examination answer
The unique mark in examination classroom where computer；
The managing test paper server is additionally operable to when receiving the paper decoding request, by unique mark institute in the request
Corresponding clear crytpographic key is sent to the examination management server；
The examination management server is additionally operable to after receiving the clear crytpographic key that the managing test paper server is sent, and is utilized
The encryption examination papers are decrypted in the clear crytpographic key, obtain decryption examination papers, decryption examination papers are sent to described
Examination answer computer in each of examination classroom is shown where examination answer computer；
The examination management server, being additionally operable to biological information as supervisor, selected paper is corresponding makes the test always with this
When the biometric information matches of teacher, classroom of taking an examination where sending the examination answer computer to the managing test paper server
Supervisor and make the test teacher may be same people the first alert notice, and to examination management terminal send it is described first report
Alert notice.
10. item difficulty as claimed in claim 9 is classified processing system, which is characterized in that
The examination answer computer is connect with a mouse；
Push type fingerprint sensor, the push type fingerprint sensor are provided on the upper surface of the touch key of the mouse
For when examinee carries out answer operation using the mouse to the paper that goes out of examination answer Computer display, in the mouse
The finger print information of the examinee is acquired while touch key is pressed down every time；
The push type fingerprint sensor is connect with a processor, and the processor is connect with a communication module, the communication mould
Block is connect with the examination management server；The processor is collected every time for obtaining the push type fingerprint sensor
The first finger print information of examinee, and when collecting every time by the communication module by this collected first finger print information
It is sent to the examination management server；
The examination management server is additionally operable to when receiving the first finger print information that the communication module is sent every time,
Obtain the second finger print information of the legal examinee corresponding to the examination answer computer；By the first finger print information and the second fingerprint
Information is compared；When comparison result is that the two mismatches, the second alert notice is sent to the client of the supervisor,
Second alert notice includes the mark of the examination answer computer.
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