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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Vydané v:	Symmetry (Basel) Ročník 12; číslo 11; s. 1923
Hlavní autori:	Liu, Feng, Huang, Xiaodi, Huang, Weidong, Duan, Sophia Xiaoxia
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Basel MDPI AG 01.11.2020
Predmet:	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
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