Capturing Knowledge of User Preferences: ontologies on recommender systems

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\begin{bibtex} @article{DBLP:journals/corr/cs-LG-0203011,

 author    = {Stuart E. Middleton and
              David De Roure and
              Nigel R. Shadbolt},
 title     = {Capturing Knowledge of User Preferences: ontologies on recommender
              systems},
 journal   = {CoRR},
 volume    = {cs.LG/0203011},
 year      = {2002},
 ee        = {http://arxiv.org/abs/cs.LG/0203011},
 bibsource = {DBLP, http://dblp.uni-trier.de}

}

\end{bibtex}