Pragya Agarwal Contested Nature of Place: Knowledge Mapping for Resolving Ontological Distinctions Between Geographical Concepts. 1-21 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3234&spage=1 2004 conf/giscience/2004 GIScience db/conf/giscience/giscience2004.html#Agarwal04