The design and implementation of SPIRIT: a spatially aware search engine for information retrieval on the Internet.
Ross S. PurvesPaul D. CloughChristopher B. JonesAvi ArampatzisBénédicte BucherDavid FinchGaihua FuHideo JohoAwase Khirni SyedSubodh VaidBisheng YangPublished in: Int. J. Geogr. Inf. Sci. (2007)