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Maryam Ramezani


Publications by Maryam Ramezani (bibliography)

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Gemmell, Jonathan, Ramezani, Maryam, Schimoler, Thomas, Christiansen, Laura and Mobasher, Bamshad (2009): The impact of ambiguity and redundancy on tag recommendation in folksonomies. In: Proceedings of the 2009 ACM Conference on Recommender Systems 2009. pp. 45-52. http://dx.doi.org/10.1145/1639714.1639724

Collaborative tagging applications have become a popular tool allowing Internet users to manage online resources with tags. Most collaborative tagging applications permit unsupervised tagging resulting in tag ambiguity in which a single tag has many different meanings and tag redundancy in which several tags have the same meaning. Common metrics for evaluating tag recommenders may overestimate the utility of ambiguous tags or ignore the appropriateness of redundant tags. Ambiguity and redundancy may even burden the user with additional effort by requiring them to clarify an annotation or forcing them to distinguish between highly related items. In this paper we demonstrate that ambiguity and redundancy impede the evaluation and performance of tag recommenders. Five tag recommendation strategies based on popularity, collaborative filtering and link analysis are explored. We use a cluster-based approach to define ambiguity and redundancy and provide extensive evaluation on three real world datasets.

© All rights reserved Gemmell et al. and/or ACM Press

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Ramezani, Maryam and Montazer, Gholam Ali (2006): Design and Implementation of a Fuzzy Expert Decision Support System for Vendor Selection - Case Study in OIEC Iran (Oil Industerial Engineering and Construction). In: Manolopoulos, Yannis, Filipe, Joaquim, Constantopoulos, Panos and Cordeiro, Jos (eds.) ICEIS 2006 - Proceedings of the Eighth International Conference on Enterprise Information Systems Databases and Information Systems Integration May 23-27, 2006, Paphos, Cyprus. pp. 243-248.

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