Extracting Spatial Knowledge from the Web

Authors:
Yasuhiko Morimoto;Masaki Aono;Michael E. Houle;Kevin S. McCurley
Affiliations:
-;-;-;-
Venue:
SAINT '03 Proceedings of the 2003 Symposium on Applications and the Internet
Year:
2003

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Abstract

The content of the world-wide web is pervaded by informationof a geographical or spatial nature, particularlysuch location information as addresses, postal codes, andtelephone numbers. We present a system for extracting spatialknowledge from collections of web pages gathered byweb-crawling programs. For each page determined to containlocation information, we apply geocoding techniques tocompute geographic coordinates, such as latitude-longitudepairs. Next, we augment the location information with keyworddescriptors extracted from the web page contents. Wethen apply spatial data mining techniques on the augmentedlocation information to derive spatial knowledge.