Waldinger, R., Jarvis, P., and Dungan, J. Pointing to Places in a Deductive Geospatial Theory, in Workshop on Analysis of Geographical References; Human Language Technology Conference , Edmonton, Canada, pp. 1017, MayJun 2003.
Issues in the description of places are discussed in the context of a logical geospatial theory. This theory lies at the core of the system GeoLogica, which deduces answers to geographical questions based on knowledge provided by multiple agents.