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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Veröffentlicht in:	Symmetry (Basel) Jg. 12; H. 11; S. 1923
Hauptverfasser:	Liu, Feng, Huang, Xiaodi, Huang, Weidong, Duan, Sophia Xiaoxia
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Basel MDPI AG 01.11.2020
Schlagworte:	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-Zugang:	Volltext
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