@inproceedings{ECIR09a,
 author = {Esuli, Andrea and Sebastiani, Fabrizio},
 title = {Encoding Ordinal Features into Binary Features for Text Classification},
 booktitle = {ECIR '09: Proceedings of the 31th European Conference on IR Research on Advances in Information Retrieval},
 year = {2009},
 isbn = {978-3-642-00957-0},
 pages = {771--775},
 location = {Toulouse, France},
 doi = {http://dx.doi.org/10.1007/978-3-642-00958-7_83},
 publisher = {Springer-Verlag},
 address = {Berlin, Heidelberg},
 }