9683 search results - page 1316 / 1937 » Predicting query performance |
322
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GIS
2004
ACM
16 years 8 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
302
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GIS
2006
ACM
16 years 8 months ago
2006
ACM
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...
218
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Current web search engines return result pages containing mostly text summary even though the matched web pages may contain informative pictures. A text excerpt (i.e. snippet) is ...
236
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Search engines are the primary gateways of information access on the Web today. Behind the scenes, search engines crawl the Web to populate a local indexed repository of Web pages...
202
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
Web-based search engines such as Google and NorthernLight return documents that are relevant to a user query, not answers to user questions. We have developed an architecture that...