BibTeX

@InProceedings{blessing:2007,
  author = {Andre Blessing and Reinhard Kuntz and Hinrich Sch{ü}tze},
  title = {Towards a context model driven german geo-tagging system},
  booktitle = {GIR '07: Proceedings of the 4th ACM workshop on Geographical information
	retrieval},
  year = {2007},
  pages = {25-30},
  address = {New York, NY, USA},
  publisher = {ACM},
  doi = {http://doi.acm.org/10.1145/1316948.1316956},
  isbn = {978-1-59593-828-2},
  location = {Lisbon, Portugal}
}