Research Archive
Sofia University "St. Kliment Ohridski"

Browsing by Subject "Recommender Systems"

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Browsing by Subject "Recommender Systems"

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  • Adaptation to Drifting User's Interests 
    Schwab, Ingo; Koychev, Ivan (In proc. of ECML2000 Workshop: Machine Learning in New Information Age, 2000)
    In recent years, many systems have been developed which aim at helping users to find pieces of information or other objects that are in accordance with their personal interests. In these systems, machine learning methods ...
  • Changing User Interests through Prior-Learning of Context 
    Koychev, Ivan (In: de Bra, P., Brusilovsky, P., Conejo, R. (eds.): Adaptive Hypermedia and Adaptive Web Based Systems. Lecture Notes in Computer Science, 2002)
    The paper presents an algorithm for learning drifting and recurring user interests. The algorithm uses a prior-learning level to find out the current context. After that, searches into past observations for episodes that ...