@InProceedings{frank:DagSemProc.09161.7,
  author =	{Frank, Andrew U.},
  title =	{{Why Is Cartographic Generalization So Hard?}},
  booktitle =	{Generalization of spatial information},
  pages =	{1--5},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9161},
  editor =	{S\'{e}bastien Musti\`{e}re and Monika Sester and Frank van Harmelen and Peter van Oosterom},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09161.7},
  URN =		{urn:nbn:de:0030-drops-21363},
  doi =		{10.4230/DagSemProc.09161.7},
  annote =	{Keywords: Cartographic Generalization, AI-Hard, NP-Hard}
}