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Tariq Mahmood

 

Publications by Tariq Mahmood (bibliography)

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2009
 
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Mahmood, Tariq and Ricci, Francesco (2009): Improving recommender systems with adaptive conversational strategies. In: Proceedings of the 20th ACM Conference on Hypertext and Hypermedia 2009. pp. 73-82. Available online

Conversational recommender systems (CRSs) assist online users in their information-seeking and decision making tasks by supporting an interactive process. Although these processes could be rather diverse, CRSs typically follow a fixed strategy, e.g., based on critiquing or on iterative query reformulation. In a previous paper, we proposed a novel recommendation model that allows conversational systems to autonomously improve a fixed strategy and eventually learn a better one using reinforcement learning techniques. This strategy is optimal for the given model of the interaction and it is adapted to the users' behaviors. In this paper we validate our approach in an online CRS by means of a user study involving several hundreds of testers. We show that the optimal strategy is different from the fixed one, and supports more effective and efficient interaction sessions.

© All rights reserved Mahmood and Ricci and/or their publisher

2008
 
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Mahmood, Tariq and Ricci, Francesco (2008): Adapting the interaction state model in conversational recommender systems. In: Fensel, Dieter and Werthner, Hannes (eds.) Proceedings of the 10th International Conference on Electronic Commerce - ICEC 2008 August 19-22, 2008, Innsbruck, Austria. p. 33. Available online

2007
 
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Mahmood, Tariq and Ricci, Francesco (2007): Learning and adaptivity in interactive recommender systems. In: Gini, Maria L., Kauffman, Robert J., Sarppo, Donna, Dellarocas, Chrysanthos and Dignum, Frank (eds.) Proceedings of the 9th International Conference on Electronic Commerce - ICEC 2007 August 19-22, 2007, Minneapolis, MN, USA. pp. 75-84. Available online

 
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