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