Geographic web search based on positioning expressions

  • Authors:
  • Tiago M. Delboni;Karla A. V. Borges;Alberto H. F. Laender

  • Affiliations:
  • Federal University of Minas Gerais, Belo Horizonte, Brazil;Federal University of Minas Gerais, Belo Horizonte, Brazil;Federal University of Minas Gerais, Belo Horizonte, Brazil

  • Venue:
  • Proceedings of the 2005 workshop on Geographic information retrieval
  • Year:
  • 2005

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Abstract

In this paper, we explore the use of natural language expressions to perform geographic searches on the Web, without resorting to geocoded data. Such expressions denote the positioning of a subject with respect to a landmark --- a valuable source of geographical context embedded in the unstructured text of Web documents. Our approach leads to novel query expansion techniques that can be explored by virtually any keyword--based search engine.