Address extraction: extraction of location-based information from the web

Authors:
Wentao Cai;Shengrui Wang;Qingshan Jiang
Affiliations:
Department of Computer Science, Universite de Sherbrooke, Sherbrooke, Quebec, Canada;Department of Computer Science, Universite de Sherbrooke, Sherbrooke, Quebec, Canada;Software School, Xiamen University, Xiamen, Fujian, P.R. China
Venue:
APWeb'05 Proceedings of the 7th Asia-Pacific web conference on Web Technologies Research and Development
Year:
2005

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Abstract

Updating and retrieving location-based data is an important problem in Location-Based Service (LBS) applications. The Web is a valuable pool of location-based information. Such information can be retrieved and extracted on the basis of corresponding postal addresses. This paper proposes an information extraction method to help collect location-based information from the Web automatically. The proposal applies an ontology-based conceptual information retrieval approach combined with graph matching techniques. Experimental evaluation shows that the method yields high recall and precision results.