@inproceedings{RothTu09,
 author= {D. Roth and Y. Tu},
 title= {Aspect Guided Text Categorization with Unobserved Labels},
 booktitle= {Proceedings of ICDM},
 year= {2009},
 url= "http://l2r.cs.uiuc.edu/~danr/Papers/RothTu09.pdf",
 funding = {Honda,
MIAS},
 projects = {CCM,
Honda},
 comment = {multiclass classification; Text classification,
 short text snippet,
 structure learning,
 Constrained optimization; constrained conditional models} }