【摘要】：互聯(lián)網(wǎng)的普及使得資源和信息共享越來(lái)越便捷,社會(huì)各領(lǐng)域和行業(yè)都存著這拷貝和抄襲現(xiàn)場(chǎng),高校學(xué)生的作業(yè)也存在這種問(wèn)題。電子文件形式的作業(yè)難免存在大量復(fù)制粘貼的使用,這種現(xiàn)象越演越烈導(dǎo)致了作業(yè)抄襲難以控制,高校教育教學(xué)質(zhì)量和教育教學(xué)水平難以衡量,任課教師無(wú)法通過(guò)作業(yè)反映學(xué)生掌握知識(shí)和上課反映的真實(shí)情況。因此,本文設(shè)計(jì)和實(shí)現(xiàn)的相似度檢測(cè)系統(tǒng)對(duì)教育教學(xué)質(zhì)量的提高具有重大意義。針對(duì)以上問(wèn)題,本文設(shè)計(jì)和實(shí)現(xiàn)基于SSH的電子作業(yè)檢測(cè)相似性系統(tǒng),該系統(tǒng)在相似度檢測(cè)算法的基礎(chǔ)上,以JAVA為開(kāi)發(fā)平臺(tái),采用SSH框架以輕量級(jí)數(shù)據(jù)庫(kù)Mysql數(shù)據(jù)庫(kù)為底層數(shù)據(jù)支撐。系統(tǒng)分為三種角色用戶,分別為系統(tǒng)管理員、教師和學(xué)生,管理員具有最高權(quán)限,負(fù)責(zé)系統(tǒng)功能和數(shù)據(jù)維護(hù);教師具有一般權(quán)限,對(duì)教師管理模塊、作業(yè)收集模塊、相似度檢測(cè)模塊和結(jié)果顯示模塊具有操作權(quán)限;學(xué)生具有一般權(quán)限,對(duì)學(xué)生管理模塊具有操作權(quán)限。系統(tǒng)主要實(shí)現(xiàn)學(xué)生管理功能、教師管理功能、作業(yè)收集功能、相似度檢測(cè)功能、檢測(cè)結(jié)果顯示功能、系統(tǒng)配置功能、用戶管理功能和數(shù)據(jù)維護(hù)功能。本文首先調(diào)研本文檢測(cè)技術(shù)和相似度檢測(cè)技術(shù),在詳細(xì)對(duì)比各種算法性能優(yōu)劣的基礎(chǔ)上重點(diǎn)研究了基于向量空間模型的相似度算法,在此基礎(chǔ)上設(shè)計(jì)了系統(tǒng)使用的相似度檢測(cè)算法,然后本文對(duì)系統(tǒng)采用的結(jié)構(gòu)、編碼技術(shù)和數(shù)據(jù)庫(kù)進(jìn)行選型,最后采用工程化方式進(jìn)行系統(tǒng)需求分析、系統(tǒng)設(shè)計(jì)和代碼實(shí)現(xiàn)。作業(yè)相似度檢測(cè)系統(tǒng)的自動(dòng)化將極大程度上減輕教師作業(yè)管理的負(fù)擔(dān),提升學(xué)生作業(yè)監(jiān)管力度。電子作業(yè)相似度檢測(cè)系統(tǒng)是專門針對(duì)高校各學(xué)科各專業(yè)課程內(nèi)容進(jìn)行的相似度檢測(cè)評(píng)判系統(tǒng),學(xué)生提交作業(yè)后將首先進(jìn)入相似度檢測(cè),只有經(jīng)過(guò)相似度檢測(cè)合格的作業(yè)才會(huì)提交教師批閱成績(jī),其他檢測(cè)不合格的作業(yè)將自動(dòng)返回學(xué)生重新進(jìn)行更改提交。電子作業(yè)相似度檢測(cè)基于文本檢測(cè)和文本復(fù)制檢測(cè)技術(shù),從一定程度上審查作業(yè)抄襲度。
[Abstract]:With the popularity of the Internet, resources and information sharing is more and more convenient. This copy and plagiarism exist in all fields and industries of society, and this problem also exists in the homework of college students. The use of copy-and-paste in the form of electronic files is inevitable, which leads to the difficulty of controlling the plagiarism of homework, and the quality and level of education and teaching in colleges and universities are difficult to measure. Teachers can not reflect the students' knowledge and the real situation in class through homework. Therefore, the similarity detection system designed and implemented in this paper is of great significance to improve the quality of education and teaching. Aiming at the above problems, this paper designs and implements an electronic job detection similarity system based on SSH. Based on the similarity detection algorithm, the system is developed on the platform of JAVA. The SSH framework is based on the lightweight database Mysql database as the underlying data support. The system is divided into three kinds of role users: system administrator, teacher and student, administrator has the highest authority, and is responsible for system function and data maintenance. The teacher has the general authority to the teacher management module, the homework collection module, the similarity detection module and the result display module to have the operation authority; the student has the general authority, has the operation authority to the student management module. The system mainly realizes the functions of student management, teacher management, homework collection, similarity detection, result display, system configuration, user management and data maintenance. Firstly, this paper investigates the detection technology and similarity detection technology in this paper. On the basis of comparing the performance of various algorithms in detail, the similarity algorithm based on vector space model is studied in detail. On this basis, the similarity detection algorithm used in the system is designed. Then, the structure, coding technology and database of the system are selected. Finally, the system requirement analysis, system design and code implementation are carried out by engineering. The automation of homework similarity detection system will greatly lighten the burden of teachers' homework management and enhance the supervision of students' homework. The electronic homework similarity detection system is a kind of similarity detection and evaluation system which is specially designed for the courses of various disciplines and specialties in colleges and universities. Students will first enter the similarity detection after submitting their homework. Only the homework that has passed the similarity test will be submitted to the teacher for evaluation, and other unqualified assignments will automatically return to the student for resubmission. The similarity detection of electronic work is based on text detection and text copy detection technology to examine job plagiarism to a certain extent.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：TP311.52

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