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Authors: Ugur Ceylan 1 and Aysenur Birturk 2

Affiliations: 1 Baskent University, Turkey ; 2 METU, Turkey

ISBN: 978-989-8425-51-5

Keyword(s): Content-boosted collaborative filtering, Semantic similarity, Ontology, Sparsity, Item cold-start.

Related Ontology Subjects/Areas/Topics: Data Engineering ; Ontologies and the Semantic Web ; Ontology and the Semantic Web ; Web Information Systems and Technologies ; Web Interfaces and Applications ; Web Personalization

Abstract: Collaborative filtering is one of the most used recommendation approaches in recommender systems. However, collaborative filtering systems have some major problems such as sparsity, scalability and cold-start problems. In this paper we focus on the sparsity and item cold-start problems in collaborative filtering in order to improve the quality of recommendations. We propose an approach that uses semantic similarities between items based on a priori defined ontology-based metadata in the movie domain. According to the semantic similarities between items and past user preferences, recommendations are made. The results of the evaluation phase show that our approach improves the quality of recommendations.

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Paper citation in several formats:
Ceylan, U. and Birturk, A. (2011). CONTENT-BOOSTED COLLABORATIVE FILTERING USING SEMANTIC SIMILARITY MEASURE.In Proceedings of the 7th International Conference on Web Information Systems and Technologies - Volume 1: WEBIST, ISBN 978-989-8425-51-5, pages 366-371. DOI: 10.5220/0003402403660371

@conference{webist11,
author={Ugur Ceylan. and Aysenur Birturk.},
title={CONTENT-BOOSTED COLLABORATIVE FILTERING USING SEMANTIC SIMILARITY MEASURE},
booktitle={Proceedings of the 7th International Conference on Web Information Systems and Technologies - Volume 1: WEBIST,},
year={2011},
pages={366-371},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003402403660371},
isbn={978-989-8425-51-5},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Web Information Systems and Technologies - Volume 1: WEBIST,
TI - CONTENT-BOOSTED COLLABORATIVE FILTERING USING SEMANTIC SIMILARITY MEASURE
SN - 978-989-8425-51-5
AU - Ceylan, U.
AU - Birturk, A.
PY - 2011
SP - 366
EP - 371
DO - 10.5220/0003402403660371

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