5954 search results - page 242 / 1191 » Querying Bi-level Information |
168
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ENGL
2007
15 years 6 months ago
2007
—A method for secure query processing in mobile databases has been presented in this paper. Mobile devices send queries to the server via point-to-point channels. The mobile data...
180
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APWEB
2010
Springer
15 years 5 months ago
2010
Springer
— Query term suggestion that interactively expands the queries is an indispensable technique to help users formulate high-quality queries and has attracted much attention in the ...
287
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...
188
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
To solve this problem, we devised the HS-bitmap index, which is hierarchically comprised of compressed data of summary bits. A summary bit in an upper matrix is obtained by logical...
197
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...