Performance Evaluation of Keyword Extraction Methods and Visualization for Student Online Comments

Topic keyword extraction (as a typical task in information retrieval) refers to extracting the core keywords from document topics. In an online environment, students often post comments in subject forums. The automatic and accurate extraction of keywords from these comments are beneficial to lecture...

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Bibliographic Details
Published in:	Symmetry (Basel) Vol. 12; no. 11; p. 1923
Main Authors:	Liu, Feng, Huang, Xiaodi, Huang, Weidong, Duan, Sophia Xiaoxia
Format:	Journal Article
Language:	English
Published:	Basel MDPI AG 01.11.2020
Subjects:	Accuracy Algorithms Artificial neural networks Classification Datasets Decision trees Deep learning Indexing Information retrieval Keywords Linguistics Machine learning Natural language processing Neural networks Parameter estimation Performance evaluation Sentiment analysis Support vector machines Symmetry Visualization
ISSN:	2073-8994, 2073-8994
Online Access:	Get full text
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