Capturing knowledge of user preferences: ontologies in recommender systems

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\begin{bibtex} @inproceedings{DBLP:conf/kcap/MiddletonRS01, title={Capturing knowledge of user preferences: ontologies in recommender systems}, pages={100-107}, year={2001}, crossref={DBLP:conf/kcap/2001}, booktitle={K-CAP}, ee={http://doi.acm.org/10.1145/500737.500755}, url={http://www.informatik.uni-trier.de/~ley/db/conf/kcap/kcap2001.html#MiddletonRS01}, author={Stuart E. Middleton and David De Roure and Nigel Shadbolt} }\end{bibtex}