Am Dienstag, 29. November 2011, 10:32:39 schrieb Anatoliy Kats: Hello,
> There was a conversation some time ago about incorporating time > dependency for preferences: > http://thread.gmane.org/gmane.comp.apache.mahout.user/2951 > > Has there been any more discussion about this? Has anything been > checked into Mahout? Is anyone working on it? I might be able to pitch > in. i did some more work on this some time ago. But i was using data from a course system which probably differs a lot from usual shop recommendations. Some of my work is described in this paper: Time-Based Recommendations for Lecture Materials In Proceedings of ED-MEDIA 2010 Toronto, Canada, Jul. 2010 http://algo.informatik.uni-freiburg.de/mitarbeiter/hermann/files/aace-ed- media-2010-word-final.pdf You should also have a look at these publications: Iain Campbell and C. J. van Rijsbergen. The ostensive model of developing information needs. In Peter Ingwersen and Niels Ole Pors, editors, CoLIS’06: Proceedings of the 6th International Conference on Conceptions of Library and Information Sciences, Copenhagen, Denmark, pages 251–268. The Royal School of Librarianship, 10 1996. Iain Campbell. Supporting information needs by ostensive definition in an adaptive information space. In Ian Ruthven, editor, MIRO’95: Proceedings of the Final Workshop on Multimedia Information Retrieval, Glasgow, Scotland, UK, Workshops in Computing. BCS, 9 1995. Iain Campbell. Interactive Evaluation of the Ostensive Model Using a New Test Collection of Images with Multiple Relevance Assessments. Information Retrieval, 2(1): 85–112, 2000. Collaborative Filtering with Temporal Dynamics KDD'09 from Yehuda Koren, Yahoo! Research, Haifa, Israel Factorizing Personalized Markov Chains for Next-Basket Recommendation WWW 2010 from Steffen Rendle, Christoph Freudenthaler, Lars Schmidt-Thieme Yi Ding, Xue Li, Maria E. Orlowska (2006): /Recency-based collaborative filtering/ CRPITS'49: Proceedings of the 49th conference on Database technologies 2006, ACM Press, pp. 99--107. Sinan Zhan, Fengrong Gao, Chunxiao Xing, Lizhu Zhou (2006): /Addressing Concept Drift problem in collaborative filtering systems/ Proceedings of ECAI 2006 Workshop on Recommender Systems, Riva del Garda, Italy. Yi Ding, Xue Li (2005): Time weight collaborative filtering CIKM '05: Proceedings of the 14th ACM international conference on Information and knowledge management, ACM Press, pp. 485--492. Tiffany Ya Tang, Pinata Winoto, Keith C. C. Chan (2003): /On the Temporal Analysis for Improved Hybrid Recommendations/ WI '03: Proceedings of the IEEE/WIC International Conference on Web Intelligence, IEEE Computer Society. regards Christoph
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