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Authors: Lefteris Kozanidis ; Sofia Stamou and George Spiros

Affiliation: Patras University, Greece

Keyword(s): Location-sensitive web search, Focused crawling, Geo-referenced index.

Related Ontology Subjects/Areas/Topics: Searching and Browsing ; Web Information Systems and Technologies ; Web Interfaces and Applications

Abstract: Retrieving relevant data for location-sensitive keyword queries is a challenging task that has so far been addressed as a problem of automatically determining the geographical orientation of web searches. Unfortu-nately, identifying localizable queries is not sufficient per se for performing successful location-sensitive searches, unless there exists a geo-referenced index of data sources against which localizable queries are searched. In this paper, we propose a novel approach towards the automatic construction of a geo-referenced search engine index. Our approach relies on a geo-focused crawler that incorporates a structural parser and uses GeoWordNet as a knowledge base in order to automatically deduce the geo-spatial information that is latent in the pages’ contents. Based on location-descriptive elements in the page URLs and anchor text, the crawler directs the pages to a location-sensitive downloader. This downloading module resolves the geo-graphical references of the URL loca tion elements and organizes them into indexable hierarchical structures. The location-aware URL hierarchies are linked to their respective pages, resulting into a geo-referenced index against which location-sensitive queries can be answered. (More)

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Paper citation in several formats:
Kozanidis, L.; Stamou, S. and Spiros, G. (2009). FOCUSING WEB CRAWLS ON LOCATION-SPECIFIC CONTENT. In Proceedings of the Fifth International Conference on Web Information Systems and Technologies - WEBIST; ISBN 978-989-8111-81-4; ISSN 2184-3252, SciTePress, pages 244-249. DOI: 10.5220/0001823002440249

@conference{webist09,
author={Lefteris Kozanidis. and Sofia Stamou. and George Spiros.},
title={FOCUSING WEB CRAWLS ON LOCATION-SPECIFIC CONTENT},
booktitle={Proceedings of the Fifth International Conference on Web Information Systems and Technologies - WEBIST},
year={2009},
pages={244-249},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001823002440249},
isbn={978-989-8111-81-4},
issn={2184-3252},
}

TY - CONF

JO - Proceedings of the Fifth International Conference on Web Information Systems and Technologies - WEBIST
TI - FOCUSING WEB CRAWLS ON LOCATION-SPECIFIC CONTENT
SN - 978-989-8111-81-4
IS - 2184-3252
AU - Kozanidis, L.
AU - Stamou, S.
AU - Spiros, G.
PY - 2009
SP - 244
EP - 249
DO - 10.5220/0001823002440249
PB - SciTePress

- Science and Technology Publications, Lda.
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