Proceedings of the Fuzzy System Symposium
30th Fuzzy System Symposium
Session ID : TE3-5
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Host: Japan Society for Fuzzy Theory and Intelligent Informatics (SOFT)

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Automatic keyword extraction from descriptive answers of quiz
―Influence of the selection of database to extract keywords―
*Kenji Hayakawa, Haruhiko Takase, Hiroharu Kawanaka, Shinji Tsuruoka
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Keywords: nature language processing, keyword extraction, education
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Abstract
In this paper, we aim to develop a supporting system for quizzes, which are used for grasping students' understandings, in class time. We developed an automatic keyword extraction method from descriptive answers of a quiz. The method refers to frequency of words in answers and general documents (corpus). We discuss an effective database of frequency in corpus for our extraction method. We conclude that (1) Japanese WikiPedia is a good for corpus, (2) the system can extract compound words by connecting morphemes.
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© 2014 Japan Society for Fuzzy Theory and Intelligent Informatics
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