@inproceedings{ DBLP:conf/ijcai/ViappianiB09,
  publisher = {CEUR-WS.org},
  author = {Paolo Viappiani and Craig Boutilier},
  url = {http://ceur-ws.org/Vol-528/paper3.pdf},
  series = {CEUR Workshop Proceedings},
  booktitle = {Proceedings of the 7th Workshop on Intelligent Techniques for Web Personalization & Recommender Systems (ITWP'09), Pasadena, California, USA, July 11-17, 2009 in conjunction with the 21st International Joint Conference on Artificial Intelligence - IJCAI 2009},
  title = {Optimal Set Recommendations Based on Regret},
  volume = {528},
  year = {2009},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}