@INPROCEEDINGS{geertzen:2006:diteval1,
   author      = {Geertzen, Jeroen and Bunt, Harry},
   title       = {Measuring annotator agreement in a complex hierarchical
                  dialogue act annotation scheme},
   booktitle   = {Proceedings of the 7th SIGdial Workshop on Discourse and
                  Dialogue},
   address     = {Sydney, Australia},
   publisher   = {Association for Computational Linguistics},
   pages       = {126--133},
   month       = jul,
   year        = {2006}
}