A literature review on question answering techniques, paradigms and systems
Background: Question Answering (QA) systems enable users to retrieve exact answers for questions posed in natural language. Objective: This study aims at identifying QA techniques, tools and systems, as well as the metrics and indicators used to measure these approaches for QA systems and also to de...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2020-07-01
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Series: | Journal of King Saud University: Computer and Information Sciences |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S131915781830082X |