@inproceedings{Leidner-etAl:2003:GEOREF,
  author = {Leidner, Jochen L.  and  Sinclair, Gail  and  Webber, Bonnie},
  title  = {Grounding spatial named entities for information extraction and question answering},
  booktitle = {Proceedings of the HLT-NAACL 2003 Workshop on Analysis of Geographic References},
  editor = {Andr\'{a}s Kornai and Beth Sundheim},
  url    = {http://www.aclweb.org/anthology/W03-0105.pdf},
  year   = 2003,
  pages  = {31--38}