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Opinion Mining for Educational Video Lectures
Dimitrios Kravvaris1, Katia Lida Kermanidis2
1Department of Informatics, Ionian University, Corfu, Greece. jkravv@gmail.com.
Advances in Experimental Medicine and Biology
|October 4, 2017
Summary
This study introduces a method to classify educational video comments as positive or negative. It automatically identifies key video terms to filter comments, improving educational video selection.
Area of Science:
- Educational Technology
- Natural Language Processing
- Information Retrieval
Background:
- Searching for relevant educational videos is time-consuming.
- The growing demand for educational content exacerbates this challenge.
- Users often rely on limited information from hosting pages for selection.
Purpose of the Study:
- To classify user comments on educational videos as positive or negative.
- To provide users with a qualitative overview of video feedback.
- To enhance the selection process for educational video content.
Main Methods:
- Automatic identification of significant keywords from video lecture transcripts.
- Filtering user comments based on their semantic relevance to identified keywords.
- Sentiment analysis of filtered comments to determine positive or negative sentiment.
Main Results:
- A system for filtering and classifying educational video comments was developed.
- The method successfully links comments to video content through keyword analysis.
- This approach offers a more relevant and qualitative assessment of user feedback.
Conclusions:
- Automatic keyword identification and comment filtering improve the relevance of user feedback for educational videos.
- This technique aids users in making more informed decisions when selecting educational video content.
- The study enhances the discoverability and evaluation of educational video resources.
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