@inproceedings{vbogornyacmgis2007,
  author    = {Luis Otavio Alvares and Vania Bogorny and Bart Kuijpers and Jose Anotnio Fernandes de Macedo
               and Bart Moelans and Alejandro Vaisama},
  title     = {A Model for Enriching Trajectories with Semantic Geographical Information},
  booktitle = {ACMGIS},
  year      = {2007},
  pages     = {162-169}
  editor    = {Alejandro Pauly},
  title     = {15th ACM International Symposium on Geographic Information
               Systems, ACM-GIS 2007, November 7-9, 2007, Seattle,
               Washingthon, USA, Proceedings},
  booktitle = {GIS},
  publisher = {ACM},
  year      = {2007},
  isbn      = {}
}