Authors
Ross S Purves, Paul Clough, Christopher B Jones, Avi Arampatzis, Benedicte Bucher, David Finch, Gaihua Fu, Hideo Joho, Awase Khirni Syed, Subodh Vaid, Bisheng Yang
Publication date
2007/8/1
Journal
International journal of geographical information science
Volume
21
Issue
7
Pages
717-745
Publisher
Taylor & Francis
Description
Much of the information stored on the web contains geographical context, but current search engines treat such context in the same way as all other content. In this paper we describe the design, implementation and evaluation of a spatially aware search engine which is capable of handling queries in the form of the triplet of ⟨theme⟩⟨spatial relationship⟩⟨location⟩. The process of identifying geographic references in documents and assigning appropriate footprints to documents, to be stored together with document terms in an appropriate indexing structure allowing real‐time search, is described. Methods allowing users to query and explore results which have been relevance‐ranked in terms of both thematic and spatial relevance have been implanted and a usability study indicates that users are happy with the range of spatial relationships available and intuitively understand how to use such a search engine …
Total citations
2007200820092010201120122013201420152016201720182019202020212022202320242141412141517181512181916104692
Scholar articles
RS Purves, P Clough, CB Jones, A Arampatzis… - International journal of geographical information …, 2007