GudmundssonK06'

@inproceedings{DBLP:conf/gis/GudmundssonK06,
  author    = {Joachim Gudmundsson and
               Marc J. van Kreveld},
  title     = {Computing longest duration flocks in trajectory data},
  booktitle = {GIS},
  year      = {2006},
  pages     = {35-42},
  ee        = {http://doi.acm.org/10.1145/1183471.1183479},
  crossref  = {DBLP:conf/gis/2006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/gis/2006,
  editor    = {Rolf A. de By and
               Silvia Nittel},
  title     = {14th ACM International Symposium on Geographic Information
               Systems, ACM-GIS 2006, November 10-11, 2006, Arlington,
               Virginia, USA, Proceedings},
  booktitle = {GIS},
  publisher = {ACM},
  year      = {2006},
  isbn      = {1-59593-529-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}