Explicit Dynamic User Profiles for a Collaborative Filtering Recommender System

Authors:
M. Ilic;J. Leite;M. Slota
Affiliations:
CENTRIA, Universidade Nova de Lisboa, Portugal;CENTRIA, Universidade Nova de Lisboa, Portugal;CENTRIA, Universidade Nova de Lisboa, Portugal
Venue:
IBERAMIA '08 Proceedings of the 11th Ibero-American conference on AI: Advances in Artificial Intelligence
Year:
2008

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Abstract

User modelling and personalisation are the key aspects of recommender systems in terms of recommendation quality. While being very efficient and designed to work with huge amounts of data, present recommender systems often lack the facility of user integration when it comes to feedback and direct user modelling. In this paper we describe ERASP, an add-on to existing recommender systems which uses dynamic logic programming --- an extension of answer set programming --- as a means for users to specify and update their models, with the purpose of enhancing recommendations. We present promising experimental results.