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A Novel Approach of Collaborative KBQA System using Ontology

Affiliations

  • Department of Computer Science and Engineering, B.S. Abdur Rahman University, Vandalur, Chennai - 600048, Tamil Nadu, India

Abstract


The objective of the research is to provide relevant answers for the questions posted by the learners using Collaborative Knowledge Based Question Answering System (CKBQA) of Knowledge Extraction which provide the most suitable answers by sharing the ideas of various learners, when the user needs information. In the modern era numerous information available in the World Wide Web which is too difficult to get the required information. CKBQA system aims at retrieving precise information from a large collection of documents. It provides the most relevant answers rather than the irrelevant information by applying Latent Semantic Analysis. In collaborative learning the users benefit when the learner exposed to diverse viewpoints from the other learners with varied backgrounds and provides the best interactive teaching learning method where the interaction taken place between the learners and also the learners with the exports. The CKBQA system consists of four phases such as Question Preprocessing, Answer Evaluation, Concept Mapping of question with their answer and voting. Ontology plays the vital role for checking the semantic nature of the question and the answer. Sample of 100 questions with their Answers were taken and tested for their various question types and also checked with resoner which gave 89% of correctness.

Keywords

Collaborative Learning, Concept Mapping, Knowledge based Question Answering System, Latent Semantic Analysis, Ontology and Voting.

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