CN103985279A - Socialized homework evaluation and student learning process information recording system and method - Google Patents
Socialized homework evaluation and student learning process information recording system and method Download PDFInfo
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Abstract
The invention provides a socialized homework evaluation and student learning process information recording system and method. The system comprises a mobile terminal, a computer and an answer sheet marked with specific divided symbols. An evaluation system operates in the computer, the evaluation system comprises an input module, a data processing and storing module, a data analysis and visualization module, an output module and an homework database. The socialized homework evaluation and student learning process information recording system and method are suitable for subject teaching in middle and primary schools, the pressure of homework evaluation of teachers can be lightened through collaborative homework evaluation of socialized members, meanwhile, the formative data in the learning process of students and the knowledge structure of the students can be accumulated, so that homework assigning and course recommendation are conducted more targeted, the quantity of homework is reduced, and homework efficiency is improved.
Description
Technical field
The invention belongs to operation and read and make comments experiment field, specifically, a kind of operation of socialization is read and made comments and students'learning data logging system and method, this system is read and made comments and students'learning data logging system for the socialization operation of reading and making comments theory and job eveluation theory based on Java Web, Android technology, operation, and the operation that is applied to middle and primary schools is read and made comments and Student Academic Evaluation process.
Background technology
Java Web technology is by Java, to solve the technological synthesis of problem in internet, applications, and Web comprises Web server and Web client two parts.In the present invention, mainly used Servlet, Jsp and the SSH framework of Java Web, by these technology, realized the socialization of operation and read and make comments building of platform.
Android technology is the mobile platform application technology of current main flow, and the realization that the client of system is built and uploaded, reads and makes comments function is read and made comments in the socialization that in the present invention, Android technology is mainly used in operation.
It is the important ring in study and teaching that operation is read and made comments, and is that teacher understands the important channel that student knowledge is grasped situation.It is single that mode is read and made comments in current operation, be mainly complete batch entirely change and essence batch carefully change (Yu Taimeng. from " complete batch changes entirely " to " essence batch changes ingeniously " [J]. student's friendly (junior middle school's version), 2011,09:14.), the job platform of developing for this mode also continues to bring out, as job platform together (
http:// www.17zuoye.com/), moodleplatform, teacher of future generation innovates supporting platform (http://ipv6te.bnu.edu.cn/) etc.It should be noted that the operating system based on " complete batch entirely change " and " essence batch carefully changes ", be mostly that the order of operation is shown, and teacher to read and make comments what provide be the mark of operation, record is not carried out in the knowledge point of operation and operation process.Meanwhile, platform lacks the knowledge point analytic function of students' work, can not recommend targetedly learner's learning content and arrange operation, so just caused operation too much, of low quality, thereby improved teacher's the operational pressure of reading and making comments pressure and student, student's knowledge is consolidated and also had adverse effect.Meanwhile, current operation is read and made comments platform mainly based on PC, with file way of submission, uploads, and teacher reads and makes comments by download file off-line, has given a mark online.This has increased the complicacy of reading and making comments undoubtedly.Some introduce the platform that automatic online is read and made comments technology simultaneously, owing to lacking corresponding rating database, so it is not high to evaluate accuracy rate.For these deficiencies, emphasized the following aspects in system is read and made comments in operation of the present invention: teacher's selectivity is read and made comments, introducing is read and made comments community and is assisted to read and make comments, and focuses on semi-automatic reading and making comments and automatic recommendation simultaneously.Job eveluation is the key factor that promotes Students ' Learning simultaneously.Current job eveluation is mainly minute numeral system and social estate system, Process Character information dropout in student assessment process, and the difficulty in study can not get timely solution.Weston (1999) (Weston P.Homework:Learning From Practice.London:The Stationery Office, 1999.) research is found, the school that teaching efficiency is good has the homework management system of science conventionally, comprise operation timely feedback and to the Process Character record of mark and knowledge point etc., can carry out scientific and effective Process Character evaluation and immediate feedback to operation.Database by operation in the present invention is stored teacher's evaluation result, simultaneously by the knowledge point database of developing in advance, exercise question and knowledge point are bound, this has just realized and has recorded the Process Character information of students' work and the object of knowledge point, meanwhile the algorithm of the relevant student assessment result of default be can pass through, content and the operation of Students ' Learning recommended.Based on these, the present invention evaluates for teacher, student provide a kind of can realization based on knowledge point, and the system of carrying out Exploration of Student Learning Model analysis based on evaluation result.In this system, operation is read and made comments and has been introduced society and read and make comments community, and members of society, as long as readding authentication by corresponding section object job batch can participate in reading and making comments, provide valuable help for alleviating teacher's pressure.
Summary of the invention
The technical problem to be solved in the present invention is: overcome that current operation reads and makes comments that teacher's stress is large, operation feedback not in time, the problem of the Process Character information dropout of job eveluation, provide a kind of operation of socialization to read and make comments and students'learning data logging system and method, flow process is simple, environmental protection, equipment needed thereby is uncomplicated, it is also extremely convenient to operate, evaluation result feeds back to teacher, student and the head of a family with the form of Visual evaluation table completely timely, is applicable to the extensive operation of middle and primary schools based on knowledge point and reads and makes comments and learning process.
The technical solution adopted for the present invention to solve the technical problems is: a kind of operation of socialization is read and made comments and students'learning data logging system, and described system comprises mobile terminal, computing machine, indicates the question-answering paper of specific segmentation symbol; In described computing machine, system is read and made comments in operation, described in read and make comments system and comprise load module, data processing and memory module, data analysis and visualization model, output module, work data storehouse, wherein:
Load module, is taken pictures and forms operation picture indicating operation on the question-answering paper of specific segmentation symbol student by mobile terminal, and operation picture is uploaded to data processing and memory module; Simultaneously by the socialization person of reading and making comments to the evaluation of students' work by being sent to work data storehouse, for data processing and memory module, call; The described socialization person of reading and making comments refers to that society is upper and obtains qualification through reading and making comments qualification authentication to have the members of society that authority is read and made comments in operation, comprise teacher, socialization read and make comments expert, the head of a family, student and and other laymans;
Data processing and memory module: by java image recognition processing program, convert picture to binary matrix, the binary matrix coming with default specific cut-off rule transcoding mates in the binary matrix by after program scanning transcoding, after coupling, with this mark, operation picture is carried out to cutting, by exercise question, undertaken after operation cutting, regenerate the operation picture of a plurality of independently single exercise questions, deposit in predefined operation picture storage directory, again the path of operation picture is deposited in to the field in work data storehouse according to topic number, and according to default Biao Zhong knowledge point, the Knowledge Relation knowledge point field of this subjob of teacher,
Data analysis and visualization model: the evaluation result of the socialization person of reading and making comments input in load module is analyzed to extraction according to evaluation model, and these data are saved with the visual relatively form of histogram, make student, teacher and the head of a family obtain visual evaluation result, thereby see more easily gap own and full class, and the own deficiency in indivedual knowledge points, finally described result is delivered to output module; The data of wherein extracting are results that the socialization person of reading and making comments reads and makes comments: the socialization person of reading and making comments logs in by mobile terminal the system of reading and making comments and carries out reading and making comments of socialization, teacher and read and make comments expert and can directly obtain and read and make comments authority, the head of a family, student and and other laymans all need to read and make comments qualification test by operation and could obtain corresponding grade and section's object job batch and read qualification; In this process, the different persons of reading and making comments also can be endowed different authorities, teacher and socialization read and make comments expert read and make comments result can be directly labeled as by, operation never removes in marked assignment, the head of a family, student and other laymans' the result of reading and making comments needs to carry out secondary and reads and makes comments, after having read and made comments for the first time, be still presented at other and read and make comments not reading and making comments in the middle of list of member, other members can carry out secondary and read and make comments; If the result p2 that secondary is read and made comments is with to read and make comments first result p1 consistent, abs (p1, p2)/p1<0.3, passes through, otherwise again read and make comments, obtains p3, and result selects the average mark of two marks approaching to deposit work data storehouse in; Described knowledge point model comprises knowledge point score pointscore, knowledge point rank pointCondition, total points score, total points rank scorecondition, the knowledge point classpoint of class, total points average mark classmean, the score variance classSD of class, recommends knowledge point recommendPoint, evaluates comment evaluation;
Output module, generates Word appraisal report to visual evaluation result based on user role, and presents to student, teacher and the head of a family again; Specific as follows: student, teacher and the head of a family check by mobile terminal or computing machine the evaluation result that the system of reading and making comments generates according to different roles, system is extracted knowledge point information and the score situation of each exercise question from database, according to predefined learning evaluation model, output students' work appraisal report list, sends to respectively student, the head of a family and teacher; Three's report has been reported different aspect according to object-oriented, for student, report is more reported the score, grasp situation, each knowledge point of each knowledge point of the student rank in class, total points, class's rank and the classmate's of class across comparison and the content of recommending study, can report score and the ranking of the perpetual object that learner arranges in addition; And for the head of a family, more report student the overall condition in class, comprise ranking, mark and corresponding section object weak link; For teacher, report provides the knowledge point score of class's integral body to comprise average, variance, extremum, and the poor knowledge point of situation, score and the information that special student groups is provided are grasped in knowledge point; Described special student groups refers to total points and the general low-down student of certain knowledge point score---learn tired rawly, described extremum refers to achievement far below average mark or the student larger with class mark central tendency gap;
Work data storehouse, comprises job data sheet and job storage entity, and wherein job data sheet comprises that one of three part is that teacher arranges job data sheet, storage be the numbering of teacher's every subjob of arranging, operation subject, grade, layout person, layout time, job order number; The 2nd, teacher arranges operation problem data table, what store is the numbering of operation exercise question, job number is the id of associated job tables of data, by this id, can know this exercise question comes from which subjob which teacher arranges, exercise question association knowledge point is the id in association knowledge point tables of data, by this id, knows what the knowledge point that this exercise question relates to is; The 3rd, students' work problem data table, storage be the numbering of students' work exercise question, job number associated job tables of data id, can obtain by this id which subjob that this operation picture is corresponding; Operation exercise question is numbered associated problem data table id, and which operation that can obtain corresponding which student of this operation picture by this id is inscribed; The score of this exercise question, the comment of this exercise question, the picture-storage position of this exercise question, answer person and the person of reading and making comments, read and make comments state; This module is mainly data analysis and process module calling of data is provided, and data analysis processing module can be extracted knowledge point according to predefined user's evaluation model must grade data also through calculating user's evaluation form;
Indicate the question-answering paper of specific segmentation symbol, by rectangular text frame, question-answering paper is divided into different answer regions, between each region, with circle, cut apart, conveniently when computer program scans, can carry out region cutting according to mark.
Described mobile terminal is that mobile phone or the panel computer that client was uploaded and read and made comments in operation is housed.
Described output module appraisal report sends to corresponding student, teacher and the head of a family by letter in mail and station.
The operation of socialization is read and made comments and a students'learning information recording method, and performing step is as follows:
Step (1) student is taken pictures and forms operation picture indicating operation on the question-answering paper of specific segmentation symbol student by mobile terminal, and operation picture is uploaded to data processing and memory module; The socialization person of reading and making comments is submitted to and delivered to work data storehouse by transmission system the evaluation of students' work simultaneously, for data processing and memory module, call; The described socialization person of reading and making comments refers to that society is upper through reading and making comments qualification authentication, and acquisition qualification, has the members of society that authority is read and made comments in operation; Comprise teacher, socialization read and make comments expert, the head of a family, student and and other laymans;
Step (2) converts picture to binary matrix by the image recognition processing program of java, the binary matrix coming with default specific cut-off rule transcoding mates in the binary matrix by after program scanning transcoding, match, with this mark, operation picture is carried out to cutting, by exercise question, undertaken after operation cutting, regenerate the operation picture of a plurality of independently single exercise questions, deposit in predefined operation picture storage directory, and the path of operation picture is deposited in the field in work data storehouse according to topic number, and the knowledge point of mark association is according to default Biao Zhong knowledge point, the Knowledge Relation knowledge point field of this subjob of teacher,
Step (3) the socialization person of reading and making comments logs in by mobile terminal or terminal the system of reading and making comments and carries out reading and making comments of socialization, in this process, the different persons of reading and making comments also can be endowed different authorities, teacher and socialization read and make comments expert read and make comments result can be directly labeled as by, operation never removes in marked assignment, and the head of a family, student and other laymans' the result of reading and making comments needs to carry out secondary and reads and makes comments, after having read and made comments for the first time, be still presented at other and read and make comments not reading and making comments in the middle of list of member, other members can carry out secondary and read and make comments, if the result p2 that secondary is read and made comments is with to read and make comments first result p1 consistent, be abs (p1, p2)/p1<0.3, pass through, otherwise again read and make comments, obtain p3, result selects the average mark of two approaching marks to deposit work data storehouse in,
Step (4) student, teacher and the head of a family check by mobile terminal or computing machine the evaluation result that the system of reading and making comments generates according to different roles.System is extracted knowledge point information and the score situation of each exercise question from work data storehouse, and according to predefined learning evaluation model, output students' work appraisal report list, sends to respectively student, the head of a family and teacher; Three's report has been reported different aspect according to object-oriented, for student, report is more reported the score, grasp situation, each knowledge point of each knowledge point of the student rank in class, total points, class's rank and the classmate's of class across comparison and the content of recommending study, can report score and the ranking of the perpetual object that learner arranges in addition; And for the head of a family, more report student the overall condition in class, comprise ranking, mark and corresponding section object weak link; For teacher, report provides the knowledge point score of class's integral body to comprise average, variance, extremum, the knowledge point that the grasp situation of knowledge point, score are poor and the information that special student groups is provided.Described special student groups refers to total points and the general low-down student of certain knowledge point score---learn tired rawly, described extremum refers to achievement far below average mark or the student larger with class mark central tendency gap;
In the operation cutting described step (2) Suo Shu, refer to by computer image recognition technology and identify the partition graph on question-answering paper, thereby picture is cut into a plurality of independently exercise questions.
The exercise question of association knowledge point storage in described step (2), on the subject knowledge model basis establishing, by the person of reading and making comments manual operation exercise question and knowledge point are set up associated, and in logical database, the knowledge point field in exercise question storage list realizes association.
Described step (3) Suo Shu based on the person of reading and making comments, authenticate reading and making comments of authority be by database in user's identity field realize.
The person of reading and making comments described step (3) Suo Shu, be the person of reading and making comments of socialization, not only comprise that teacher also comprises the subject expert of special training, even anyone in the head of a family, student and society reads and makes comments process can participate in operation after qualification authentication is read and made comments in the operation of system, it reads and makes comments result the reading and making comments authority of the determining cause person of reading and making comments and different really, teacher and socialization are read and made comments expert's the result of reading and making comments and are directly passed through, and other members' the result of reading and making comments needs to carry out secondary according to the setting of system and reads and makes comments; Along with increasing of marked assignment amount, read and make comments the raising of quality, the common member's of reading and making comments the degree of belief of reading and making comments is understood corresponding increase, if the operation accuracy of reading and making comments is on the contrary not high, usually normal and other experts and correct result are inconsistent, after being reported so, can reduce degree of belief, when degree of belief acquires a certain degree, reading and making comments also of the common member of reading and making comments will directly be passed through.
The present invention's advantage is compared with prior art:
(1) the present invention has realized complete operation according to exercise question cutting by picture segmentation, and carries out exercise question Knowledge Relation according to the storehouse, knowledge point of customization in advance, has realized the job storage based on knowledge point, and this is unexistent in current charge book and storage.
(2) the present invention is by cutting apart association by operation by exercise question, knowledge point, can realize operation in order number and knowledge point is carried out streamlined and read and made comments, and the person of reading and making comments can concentrate one's energy same exercise question to feed back, and improves and reads and makes comments efficiency and accuracy.Prior art has only realized sequence of events and has read and made comments function.
(3) the present invention is by carrying out associated by exercise question with knowledge point, realized the students'learning information recording based on knowledge point, make student can understand own which knowledge point weak, the knowledge point situation that can obtain according to systematic analysis is recommended different learning materials and study plan simultaneously.In technology in the past, only realized the part record of the process of Students ' Learning, but do not had the information of knowledge point, according to the deficiency of knowledge point, for learning, do not recommended simultaneously.
(4) the present invention mainly carries out operation by mobile terminal and computing machine and reads and makes comments, and has reduced the waste that middle pen and paper are read and made comments in operation, environmental protection.
(5) the present invention carries out automatic job recommendation by the not enough analysis to student knowledge point, has increased the specific aim of operation and has reduced the amount of operation, and this is effectively has alleviated student's pressure and teacher's the pressure of reading and making comments.Improved the efficiency of operation.In existing operating system, do not have similar function.
(6) the present invention is to providing the lateral comparison to the same operation of different students, be convenient to allow student understand the situation of own this subjob in the precedence of class, same student is provided the longitudinal comparison of operation situation in a week or month simultaneously, has made student can understand the progressive situation of oneself.In system in the past, often only have a dimension relatively or do not have.
(7) the present invention, by judgement user's role for student, teacher and three kinds of different roles of the head of a family provide different job eveluations to report, has considered user's focus more.
Accompanying drawing explanation
Fig. 1 is the composition frame chart of system of the present invention;
Fig. 2 is the realization flow figure of load module in Fig. 1;
Fig. 3 is the acquisition process flow diagram that in Fig. 2, the person of reading and making comments inputs data;
Fig. 4 is the realization flow figure of data processing and memory module in Fig. 1;
Fig. 5 is the realization flow figure of data analysis and visualization model in Fig. 1;
Fig. 6, Fig. 7 is visualization result figure in Fig. 5;
Fig. 8 is the realization flow figure of output module in Fig. 1;
Fig. 9, Figure 10, Figure 11 is the composition module of appraisal report list in Fig. 8;
Figure 12 is the question-answering paper with specific exercise question dividing mark.
Embodiment
Below in conjunction with the drawings and the specific embodiments, introduce in detail the present invention.
As shown in Figure 1, the present invention includes the question-answering paper that described system comprises mobile terminal, computing machine, indicates specific segmentation symbol; In described computing machine, system is read and made comments in operation, described in read and make comments system and comprise load module, data processing and memory module, data analysis and visualization model, output module, work data storehouse.
As shown in Figure 2, in the present invention, load module is implemented as follows:
(1) student's the operation completing on special question-answering paper is taken pictures and is input in system database by mobile phone or flat board, realization is to use Android technology to realize the mobile terminal upload function of taking pictures, the camera that this function is mainly called mobile device by api carries out the shooting of operation, then by backstage upload function, carries out picture file and uploads.
(2) mark of the socialization person of reading and making comments being read and made comments, evaluate, association knowledge point is input to operation by mobile phone, flat board or pc and reads and makes comments in database, upload is to carry out asynchronous data submission by ajax mode, in work data storehouse, pass through score, evaluation, knowledgePoint field is stored.
As shown in Figure 3, data acquisition flow process is read and made comments in the socialization in load module of the present invention.
(1) person of reading and making comments carries out job stream aquation and reads and makes comments according to job number-exercise question number-all exercise questions reading and making comments process.Teacher, socialization are read and made comments expert, the head of a family, student and by mobile terminal, are logged in the system of reading and making comments and carry out reading and making comments of socialization; Wherein not reading and making comments person need to be by completing reading and making comments authentication and can obtaining the operation of the corresponding subject of corresponding grade and read and make comments authority of corresponding subject; Acquisition is read and made comments the knowledge point that first person of reading and making comments of authority will relate to according to exercise question exercise question is carried out associated with knowledge point.The subject knowledge ontology library of knowledge point based on setting up in advance.Then operation is read and made comments, deposit score and comment in problem data table, through reading and making comments the operation that the person of reading and making comments of different role of authentication reads and makes comments, need to process through different authorities, in this process, teacher and socialization read and make comments expert read and make comments result can be directly labeled as by, operation never removes in marked assignment, the head of a family, student and other laymans' the result of reading and making comments needs to carry out secondary and reads and makes comments, after having read and made comments for the first time, be still presented at other and read and make comments not reading and making comments in the middle of list of member, other members can carry out secondary and read and make comments.If the result p2 that secondary is read and made comments with read and make comments first result p1 consistent (abs (p1, p2)/p1<0.3) and pass through, otherwise again read and make comments, obtain p3, result selects the average mark of two marks approaching to deposit database in;
(2) in this process, the common person of reading and making comments also can read and make comments expert through reading and making comments to rise to, based on reading and making comments of the person's of reading and making comments authority, be that identity field by user in database realizes, through reading and making comments the user's of authentication authentication field value, be 1, and other people are defaulted as 0, whether user by authentication differentiates it by degree of belief again and read and make comments and pass through equally, the degree of belief default setting that expert is read and made comments in teacher and socialization is 1.0, and the operation that they read and make comments can directly be passed through; Other members are being defaulted as 0.1 by degree of belief after authenticating, the operation that they read and make comments needs other members to carry out secondary-confirmation, when the common member's degree of belief of reading and making comments surpasses after 0.8, their reading and making comments also can be passed through automatically, degree of belief is along with the marked assignment amount of reading and making comments and the lifting of reading and making comments quality promote (degree of belief value=0.1+0.7*t* (marked assignment umber-2* receives report number of times)/marked assignment umber, umber/500 of t=0.1* marked assignment wherein, t maximal value is 1).
As shown in Figure 4, in the present invention, data processing and memory module are implemented as follows:
(1) exercise question cutting flow process, first carries out scale-of-two processing by the picture of uploading, and then by the scale-of-two of image, identifies, recognize the binary code of separation mark, according to dividing mark, image is carried out to cutting, become independently exercise question, as shown in Figure 3, concrete steps are as follows for flow process:
A. call the colored operation picture of uploading;
B. according to the threshold value of setting, convert the coloured image collecting to two-value black white image, and this bianry image is carried out to connected domain analysis;
C. find out wherein all bar shaped matching areas, each candidate region is mated with the dividing mark template in template base, if the coupling of generation is thought and captured a mark;
D. according to specifically labelled position, image is carried out to cutting, view picture flow diagram is regenerated to image as cutting for exercise question independently and by binary code storage, store;
Mobile device used is all common mobile phone and panel computer.
(2) by the person of reading and making comments, read and make comments the data of uploading after authority detects.According to job number and exercise question number, deposit score, association knowledge point and comment in problem data table, through reading and making comments the operation that the person of reading and making comments of different role of authentication reads and makes comments, need to process through different authorities.Teacher is directly labeled as 1 with the result of reading and making comments of reading and making comments expert, and does not need again to read and make comments.Tables of data comprises schedule work, comprises job number, job date, the fields such as layout person id.Operation exercise question table comprises exercise question id, affiliated operation field, topic field in affiliated operation, association knowledge point field.Table is submitted in operation to, comprises exercise question id, the person of completing id, and score, evaluates associated exercise question id.
As shown in Figure 5, in the present invention, data analysis and visualization model are implemented as follows:
The field value extract needing from database on the basis of the subject knowledge evaluation model establishing, knowledge point id, knowledge point minute, evaluate student id, relevant student's knowledge point score, evaluation.The average mark of the class that the method by data analysis draws, variance and individual's average case and the situation of each knowledge point, system is according to the above-mentioned information of predefined learning evaluation model extraction, the visual figure that output students' work is evaluated, different according to the content of the different visual figure of user, for student, the score of raw each knowledge point of exhibitions dendrography, grasp situation, each knowledge point is in the rank of class, total points, class's rank and the classmate's of class across comparison and the content of recommending study, can report in addition score and the ranking of the perpetual object that learner arranges, recommend exercise, and for the head of a family, more show that student is in the overall condition of class, as ranking, mark and corresponding section object weak link, for teacher, provide the knowledge point score of class's integral body to comprise average, variance, extremum, the poor knowledge point of situation, score and the information that special student groups is provided are grasped in knowledge point, offer the different students' of teacher recommendation strengthening exercise simultaneously.
As Fig. 6, shown in 7, the structure of the concrete visual figure of data analysis and visualization model part in the present invention: in the Visual Chart for teacher, student and the head of a family, with the form of histogram, represented the contrast of score situation and class's overall condition of each knowledge point of individual single operation, comprise the score of each knowledge point of student and the average mark of this knowledge point of class, by this contrast, student can understand the overall condition that oneself is just grasped; In addition student can also independently arrange contrast project, can add the classmate of a concern, and the contrast with this classmate's achievement is all provided at every turn.Simultaneously in longitudinal contrast of the interim operation of individual, system displays the variation tendency of student performance, knowledge point by visual broken line graph, provided the overall variation trend of class, same, student also can see the variation tendency of paying close attention to good friend by setting simultaneously.
As shown in Figure 8, being implemented as follows of output module in the present invention:
(1), according to different users (student, teacher, the head of a family's) role, system can be extracted the different content of visual part automatically.For student, system can be called the score of each knowledge point of this student, exercise question score, class's average mark, the knowledge point that score is lower, concern good friend's phase reserved portion, and the score trend of all previous operation of oneself and knowledge point grasp variation tendency.For teacher, system not only can be extracted each student's knowledge point and grasp situation, and can calculate class's average mark according to the score of student knowledge point and total points, variance, and extremum, and the student's who has got very poor marks appraisal report is extracted separately.For the head of a family, the content of extraction only has child's total points, knowledge point score, class's average mark and child's rank and the achievement of child within a stage.
(2) data of extracting according to backstage, generate visual student assessment form figure and automatically generate word student assessment form by word generator program by calling echarts graph tool, and send to respectively the evaluation module of user platform, mailbox etc.
(3) for student and teacher's system every day, automatically send the statistical report form of achievement, for interim statistical report form, monthly send once.And for the head of a family, system can be selected to send score report according to the head of a family's setting and still only send mensal interim score report every day.
As Fig. 9, shown in 10,11, the data that the evaluation model of the student who exports at output module, teacher, the head of a family's appraisal report will extract.
As shown in figure 12, be the required question-answering paper that indicates specific markers of experiment;
Be manufactured with specific markers question-answering paper, this question-answering paper is comprised of answer region and exercise question separation mark, and dividing mark is row's regular figure mark, by the algorithm of computer graphics, the binary code of this figure is mated, thereby realizes the function of cutting.
The part that the present invention does not elaborate belongs to techniques well known.
Claims (8)
1. the operation of socialization is read and made comments and a students'learning data logging system, it is characterized in that: described system comprises mobile terminal, computing machine, indicates the question-answering paper of specific segmentation symbol; In described computing machine, system is read and made comments in operation, comprises load module, data processing and memory module, data analysis and visualization model, output module, work data storehouse, wherein:
Load module, is taken pictures and forms operation picture indicating operation on the question-answering paper of specific segmentation symbol student by mobile terminal, and operation picture is uploaded to data processing and memory module; Simultaneously by the socialization person of reading and making comments to the evaluation of students' work by being sent to work data storehouse, for data processing and memory module, call; The described socialization person of reading and making comments refers to that society is upper and obtains qualification through reading and making comments qualification authentication to have the members of society that authority is read and made comments in operation, comprise teacher, socialization read and make comments expert, the head of a family, student and and other laymans;
Data processing and memory module: by java image recognition processing program, convert picture to binary matrix, the binary matrix coming with default specific cut-off rule transcoding mates in the binary matrix by after program scanning transcoding, after coupling, with this mark, operation picture is carried out to cutting, by exercise question, undertaken after operation cutting, regenerate the operation picture of a plurality of independently single exercise questions, deposit in predefined operation picture storage directory, again the path of operation picture is deposited in to the field in work data storehouse according to topic number, and according to default Biao Zhong knowledge point, the Knowledge Relation knowledge point field of this subjob of teacher,
Data analysis and visualization model: the evaluation result of the socialization person of reading and making comments input in load module is analyzed to extraction according to evaluation model, and these data are saved with the visual relatively form of histogram, make student, teacher and the head of a family obtain visual evaluation result, thereby see more easily gap own and full class, and the own deficiency in indivedual knowledge points, finally described result is delivered to output module; The data of wherein extracting are results that the socialization person of reading and making comments reads and makes comments: the socialization person of reading and making comments logs in by mobile terminal or computer terminal the system of reading and making comments and carries out reading and making comments of socialization, teacher and read and make comments expert and can directly obtain and read and make comments authority, the head of a family, student and and other laymans all need to read and make comments qualification test by operation and could obtain corresponding grade and section's object job batch and read qualification; In this process, the different persons of reading and making comments also can be endowed different authorities, teacher and socialization read and make comments expert read and make comments result can be directly labeled as by, operation never removes in marked assignment, the head of a family, student and other laymans' the result of reading and making comments needs to carry out secondary and reads and makes comments, after having read and made comments for the first time, be still presented at other and read and make comments not reading and making comments in the middle of list of member, other members can carry out secondary and read and make comments; If the result p2 that secondary is read and made comments is with to read and make comments first result p1 consistent, abs (p1, p2)/p1<0.3, passes through, otherwise again read and make comments, obtains p3, and result selects the average mark of two marks approaching to deposit work data storehouse in; Described knowledge point model comprises knowledge point score pointscore, knowledge point rank pointCondition, total points score, total points rank scorecondition, the knowledge point classpoint of class, total points average mark classmean, the score variance classSD of class, recommends knowledge point recommendPoint, evaluates comment evaluation;
Output module, generates Word appraisal report to visual evaluation result based on user role, and is presenting to student, teacher and the head of a family; Student, teacher and the head of a family check by mobile terminal or computing machine the evaluation result that the system of reading and making comments generates according to different roles, system is extracted knowledge point information and the score situation of each exercise question from database, according to predefined learning evaluation model, output students' work appraisal report list, sends to respectively student, the head of a family and teacher;
Work data storehouse, comprises job data sheet and job storage entity, and wherein job data sheet comprises three parts: one is that teacher arranges job data sheet, storage be the numbering of teacher's every subjob of arranging, operation subject, grade, layout person, layout time, job order number; The 2nd, teacher arranges operation problem data table, storage be the numbering of operation exercise question, the id of job number associated job tables of data, associated this exercise question that instructs by the job data sheet arranged with teacher comes from which subjob which teacher arranges; Exercise question association knowledge point, the id in this field association knowledge point tables of data, stores the affiliated knowledge point type of this exercise question thus; The 3rd, students' work problem data table, storage be the numbering of students' work exercise question, job number associated job tables of data id, can obtain by this id which subjob that this operation picture is corresponding; Operation exercise question is numbered associated problem data table id, and which operation that can obtain corresponding which student of this operation picture by this id is inscribed; The score of this exercise question, the comment of this exercise question, the picture-storage position of this exercise question, answer person and the person of reading and making comments, read and make comments state; This module is mainly data analysis and process module calling of data is provided, and the data of grading that data analysis processing module can be extracted knowledge point according to predefined user's evaluation model are through calculating user's evaluation form;
Indicate the question-answering paper of specific segmentation symbol, by rectangular text frame, question-answering paper is divided into different answer regions, between each region, with circle, cut apart, conveniently when computer program scans, can carry out region cutting according to mark.
2. the operation of socialization according to claim 1 is read and made comments and students'learning data logging system, it is characterized in that: described mobile terminal is that mobile phone or the panel computer that client was uploaded and read and made comments in operation is housed.
3. the operation of socialization according to claim 1 is read and made comments and students'learning data logging system, it is characterized in that: described output module appraisal report sends to corresponding student, teacher and the head of a family by letter in mail and station.
4. the operation of socialization is read and made comments and a students'learning information recording method, it is characterized in that performing step is as follows:
Step (1) student is taken pictures and forms operation picture indicating operation on the question-answering paper of specific segmentation symbol student by mobile terminal, and operation picture is uploaded to data processing and memory module; The socialization person of reading and making comments is submitted to and delivered to work data storehouse by transmission system the evaluation of students' work simultaneously, for data processing and memory module, call; The described socialization person of reading and making comments refers to that society is upper through reading and making comments qualification authentication, and acquisition qualification, has the members of society that authority is read and made comments in operation; Comprise teacher, socialization read and make comments expert, the head of a family, student and and other laymans;
Step (2) converts picture to binary matrix by the image recognition processing program of java, the binary matrix coming with default specific cut-off rule transcoding mates in the binary matrix by after program scanning transcoding, match, with this mark, operation picture is carried out to cutting, by exercise question, undertaken after operation cutting, regenerate the operation picture of a plurality of independently single exercise questions, deposit in predefined operation picture storage directory, and the path of operation picture is deposited in the field in work data storehouse according to topic number, and the knowledge point of mark association is according to default Biao Zhong knowledge point, the Knowledge Relation knowledge point field of this subjob of teacher,
Step (3) the socialization person of reading and making comments, comprise that teacher, socialization read and make comments expert, the head of a family, student and other members of society, by mobile terminal, log in the system of reading and making comments and carry out reading and making comments of socialization, these persons of reading and making comments read and make comments expert and can directly obtain and read and make comments authority except teacher and appointment, and all the other members all need to read and make comments by operation that qualification test could obtain corresponding grade and section's object job batch is read qualification.In reading and making comments process, the different persons of reading and making comments also can be endowed different authorities, teacher and socialization read and make comments expert read and make comments result can be directly labeled as by, operation never removes in marked assignment, and the head of a family, student and other laymans' the result of reading and making comments needs to carry out secondary and reads and makes comments, after having read and made comments for the first time, be still presented at other and read and make comments not reading and making comments in the middle of list of member, other members carry out secondary and read and make comments, if the result p2 that secondary is read and made comments is with to read and make comments first result p1 consistent, be abs (p1, p2)/p1<0.3, pass through, otherwise again read and make comments, obtain p3, result selects the average mark of two approaching marks to deposit work data storehouse in,
Step (4) student, teacher and the head of a family check by mobile terminal or computing machine the evaluation result that the system of reading and making comments generates according to different roles; System is extracted knowledge point information and the score situation of each exercise question from work data storehouse, and according to predefined learning evaluation model, output students' work appraisal report list, sends to respectively student, the head of a family and teacher.
5. the operation of socialization according to claim 4 is read and made comments and students'learning information recording method, it is characterized in that: in the operation cutting described step (2) Suo Shu, refer to by computer image recognition technology and identify the partition graph on question-answering paper, thereby picture is cut into a plurality of independently exercise questions.
6. the operation of socialization according to claim 4 is read and made comments and students'learning information recording method, it is characterized in that: the exercise question of association knowledge point storage in described step (2), on the subject knowledge model basis establishing, by the person of reading and making comments manual operation exercise question and knowledge point are set up associated, and in logical database, the knowledge point field in exercise question storage list realizes association.
7. the operation of socialization according to claim 4 is read and made comments and students'learning information recording method, it is characterized in that: described step (3) Suo Shu based on the person of reading and making comments, authenticate reading and making comments of authority be by database in user's identity field realize.
8. the operation of socialization according to claim 4 is read and made comments and students'learning information recording method, it is characterized in that: the person of reading and making comments in described step (3) is the person of reading and making comments of socialization, not only comprise that teacher also comprises the subject expert of special training, the head of a family even, anyone in student and society can read and make comments qualification authentication through the socialization of system, process is read and made comments in qualified rear participation operation, it reads and makes comments result the reading and making comments authority of the determining cause person of reading and making comments and different really, teacher and socialization are read and made comments expert's the result of reading and making comments and are directly passed through, other members' the result of reading and making comments needs to carry out secondary according to the setting of system and reads and makes comments, along with increasing of marked assignment amount, read and make comments the raising of quality, the common member's of reading and making comments the degree of belief of reading and making comments is understood corresponding increase, if the operation accuracy of reading and making comments is on the contrary not high, usually inconsistent with other experts and correct result, after being reported so, can reduce degree of belief, when degree of belief acquires a certain degree, reading and making comments also of the common member of reading and making comments will directly be passed through.
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