@INPROCEEDINGS{vanzaanen:2008:icgi,
   author      = {Menno van Zaanen and Jeroen Geertzen},
   title       = {Problems with Evaluation of Unsupervised Empirical
                  Grammatical Inference Systems},
   booktitle   = {Proceedings of the 9th International Colloquium on
                  Grammatical Inference (ICGI-2008)},
   pages       = {301--303},
   year        = {2008},
   month       = sep,
   date        = {22-24 sept 2008},
}