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Authors: Masnizah Mohd 1 ; Jaffar Atwan 2 and Kiyoaki Shirai 1

Affiliations: 1 Japan Advanced Institute of Science and Technology, Japan ; 2 Universiti Kebangsaan Malaysia, Malaysia

ISBN: 978-989-758-158-8

Keyword(s): Query Expansion, Pseudo Relevance Feedback, Semantic, Information Retrieval, Arabic.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Context Discovery ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Symbolic Systems

Abstract: The adaptation of a Query Expansion (QE) approach for Arabic documents may produce the worst rankings or irrelevant results. Therefore, we have introduced a technique, which is to utilise the Arabic WordNet in the corpus and query expansion level. A Point-wise Mutual Information (PMI) corpus-based measure is used to semantically select synonyms from the WordNet. In addition, Automatic Query Expansion (AQE) and Pseudo Relevance Feedback (PRF) methods were also explored to improve the performance of the Arabic information retrieval (AIR) system. The experimental results of our proposed techniques for AIR shows that the use of Arabic WordNet in the corpus and query level together with AQE, and the adaptation of PMI in the expansion process have successfully reduced the level of ambiguity as these techniques select the most appropriate synonym. It enhanced knowledge discovery by taking care of the relevancy aspect. The techniques also demonstrated an improvement in Mean Average Precision by 49%, with an increase of 7.3% in recall in comparison to the baseline. (More)

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Paper citation in several formats:
Mohd, M.; Atwan, J. and Shirai, K. (2015). Pseudo Relevance Feedback Technique and Semantic Similarity for Corpus-based Expansion.In Proceedings of the 7th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management - Volume 1 KDIR: KDIR, (IC3K 2015) ISBN 978-989-758-158-8, pages 445-450. DOI: 10.5220/0005626904450450

@conference{kdir15,
author={Masnizah Mohd. and Jaffar Atwan. and Kiyoaki Shirai.},
title={Pseudo Relevance Feedback Technique and Semantic Similarity for Corpus-based Expansion},
booktitle={Proceedings of the 7th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management - Volume 1 KDIR: KDIR, (IC3K 2015)},
year={2015},
pages={445-450},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005626904450450},
isbn={978-989-758-158-8},
}

TY - CONF

JO - Proceedings of the 7th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management - Volume 1 KDIR: KDIR, (IC3K 2015)
TI - Pseudo Relevance Feedback Technique and Semantic Similarity for Corpus-based Expansion
SN - 978-989-758-158-8
AU - Mohd, M.
AU - Atwan, J.
AU - Shirai, K.
PY - 2015
SP - 445
EP - 450
DO - 10.5220/0005626904450450

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