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...
Main Authors: | Feng Liu, Xiaodi Huang, Weidong Huang, Sophia Xiaoxia Duan |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-11-01
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Series: | Symmetry |
Subjects: | |
Online Access: | https://www.mdpi.com/2073-8994/12/11/1923 |
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