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Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems - GIS '11 - Searching web documents as location sets by Adelfio, Marco D.; Nutanong, Sarana; Samet, Hanan is a scholarly article available to read on EtoBox.

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A geographic search system named GeoXLS is presented, which enables users to submit a set of locations as a query object Q and to find documents containing locations similar to those in Q. Search results come from a collection of geotagged web documents, specifically a vast collection of spreadsheets obtained from the Web. The results are ranked according to their similarity to Q, using one of several userselected similarity measures related to the Hausdorff distance. GeoXLS allows users to answer queries such as "I know the locations of n entities of type X. What sets of data contain points similar to my query points?" For example, given a set Q of known impact craters, find documents that contain locations similar to those in Q and beyond. In essence, this allows someone to "complete the set" by identifying sets containing similar locations. GeoXLS provides capabilities analogous to a standard keyword search engine, but with keywords specified geographically. In contrast to a search engine that handles only text queries, our geographic search system is capable of returning search result documents that are not exact matches to the query. For example, searching with query points in

Author

Adelfio, Marco D.; Nutanong, Sarana; Samet, Hanan

Publisher

ACM Press

Published

2011

Language

EN