JOURNAL ARTICLE
Question Answering System Based on Web
Abstract
This paper summarizes the classification, implementation and evaluation of question answering system (QA). QA is divided into four categories: chat robot, QA based knowledge base, QA retrieval system and QA based on free text. Web QA system is composed with question analysis module, Web information retrieval module and answer extraction module. In the last, TREC QA evaluation is outlined.
Keywords:
Computer science Question answering Information retrieval Knowledge base World Wide Web Information extraction
Metrics
16
Cited By
3.80
FWCI (Field Weighted Citation Impact)
17
Refs
0.93
Citation Normalized Percentile
Is in top 1%
Is in top 10%
Citation History
Topics
Service-Oriented Architecture and Web Services
Physical Sciences → Computer Science → Information Systems
Web Data Mining and Analysis
Physical Sciences → Computer Science → Information Systems
Natural Language Processing Techniques
Physical Sciences → Computer Science → Artificial Intelligence
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