@inproceedings{DBLP:conf/ismis/StefanowskiZ06,
  author    = {Jerzy Stefanowski and
               Marcin Zienkowicz},
  title     = {Classification of Polish Email Messages: Experiments with
               Various Data Representations},
  booktitle = {ISMIS},
  year      = {2006},
  pages     = {723-728},
  ee        = {http://dx.doi.org/10.1007/11875604_80},
  crossref  = {DBLP:conf/ismis/2006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ismis/2006,
  editor    = {Floriana Esposito and
               Zbigniew W. Ras and
               Donato Malerba and
               Giovanni Semeraro},
  title     = {Foundations of Intelligent Systems, 16th International Symposium,
               ISMIS 2006, Bari, Italy, September 27-29, 2006, Proceedings},
  booktitle = {ISMIS},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {4203},
  year      = {2006},
  isbn      = {3-540-45764-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}