@inproceedings{Chen:2010:icdm,
 author = {Chen, Xi and Bai, Bing and Qi, Yanjun and Lin, Qihang and Carbonell, Jaime},
 title = {Learning Preferences with Millions of Parameters by Enforcing Sparsity},
 booktitle = {Proceedings of the 2010 IEEE International Conference on Data Mining},
 series = {ICDM '10},
 year = {2010},
 isbn = {978-0-7695-4256-0},
 pages = {779--784},
 numpages = {6},
 acmid = {1934557},
 publisher = {IEEE Computer Society},
 address = {Washington, DC, USA},
 keywords = {preference learning, sparse model, online learning, learning to rank, text mining},
}