2486 search results - page 198 / 498 » Database and the Web |
186
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DEXAW
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Search context is a crucial factor that helps to understand a user’s information need in ad-hoc Web page retrieval. A query log of a search engine contains rich inform...
170
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EMNLP
2009
15 years 4 months ago
2009
This paper presents a new method of developing a large-scale hyponymy relation database by combining Wikipedia and other Web documents. We attach new words to the hyponymy databas...
161
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DL
1999
Springer
15 years 10 months ago
1999
Springer
Existing web search engines provide users with the ability to query an off-line database of indices in order to decide on an entry point for further manual navigation. Results are...
276
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
265
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we describe a methodology to estimate the geographic coverage of the web without the need for secondary knowledge or complex geo-tagging. This is achieved by random...