| 简答题在线自动批改系统的研究 |
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| 引用本文： | 韩磊,黄陈蓉,林忠,蔡玮.简答题在线自动批改系统的研究[J].南京工程学院学报(自然科学版),2008,6(3):34-38. |
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| 作者姓名： | 韩磊 黄陈蓉 林忠 蔡玮 |
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| 作者单位： | 南京工程学院计算机工程学院,江苏,南京,211167 |
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| 基金项目： | 江苏省高校自然科学基金 |
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| 摘 要： | 分析了简答题自动批改的关键技术，设计了简答题自动批改系统模型．运用分层思想设计参考答案，基于分词技术和空间向量模型进行知识表示和相似度计算，提出了成绩计算的修正计分方法．试验验证表明，该模型所得的自动批改成绩误差在可以接受的范围之内，系统模型具有实用性．
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| 关 键 词： | 相似度 向量模型 成绩计算 分词技术 自动批改 |
Research into Online Automated Assessment System of Short Answer Questions |
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| HAN Lei,HUANG Chen-rong,LIN Zhong,CAI Wei.Research into Online Automated Assessment System of Short Answer Questions[J].Journal of Nanjing Institute of Technology :Natural Science Edition,2008,6(3):34-38. |
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| Authors: | HAN Lei HUANG Chen-rong LIN Zhong CAI Wei |
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| Institution: | HAN Lei,HUANG Chen-rong,LIN Zhong,CAI Wei(School of Computer Engineering,Nanjing Institute of Technology,Nanjing 211167,China) |
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| Abstract: | This paper is intended to examine some key technologies as to automated assessment system of short answer questions and design a model of this kind.Reference answers were designed by using classification thinking.Meanwhile participle technology and vector space model were employed to represent knowledge and compute similarity on the basis of which a modified scoring method was proposed.The experiments indicated that the scoring errors made by this model are acceptable and the model is of practical use. |
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| Keywords: | similarity vector model score computation word segmentation automated assessment |
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