用关键词匹配法自动评估主观题答卷，准确率达91%。
A Keyword-Based Technique to Evaluate Broad Question Answer Script
- 通过提取答案中的关键词，与开放/封闭领域关键词对比评分
- 在100份学生答卷上测试，精度达0.91
- 支持语法与拼写检查，适合教育评测自动化
评估是通过口头问答、主观或客观笔试等多种方法来衡量教育体系的方式。本文提出并实现了一种高效的电子化主观答题卷评估系统。该系统从答卷中提取关键词，并将其与从开放域和封闭域解析出的关键词进行比对。同时，系统还检测答案中的语法和拼写错误。所提系统在100名学生的答卷上进行了测试，取得了0.91的精确率。
原文摘要 · Abstract (English)
Evaluation is the method of assessing and determining the educational system through various techniques such as verbal or viva-voice test, subjective or objective written test. This paper presents an efficient solution to evaluate the subjective answer script electronically. In this paper, we proposed and implemented an integrated system that examines and evaluates the written answer script. This article focuses on finding the keywords from the answer script and then compares them with the keywords that have been parsed from both open and closed domain. The system also checks the grammatical and spelling errors in the answer script. Our proposed system tested with answer scripts of 100 students and gives precision score 0.91.
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