Julien Lesbegueries Christian Sallaberry Mauro Gaio Associating spatial patterns to text-units for summarizing geographic information. 2006 conf/gir/2006 GIR http://www.geo.unizh.ch/~rsp/gir06/papers/individual/lesbegueries.pdf db/conf/gir/gir2006.html#LesbegueriesSG06