330 search results - page 5 / 66 » A data abstraction approach for query relaxation |
APPROX
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. Motivated by an open problem recently suggested by Goldreich et al., we study truthful implementations of a random binary function supporting compound XOR queries over su...
197
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
The ability to compute top-k matches to XML queries is gaining importance due to the increasing number of large XML repositories. The efficiency of top-k query evaluation relies o...
156
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TWC
2011
14 years 6 months ago
2011
Abstract—We target a two-tier sensor network with resourcerich master nodes at the upper tier and resource-poor sensor nodes at the lower tier. Master nodes collect data from sen...
IJSNET
2008
14 years 11 months ago
2008
Abstract-- Future applications running on mobile platforms will sometimes need to query sensors and track sensor data over time. This paper uses the publishsubscribe paradigm as a ...
EDBTW
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. The Web has been rapidly “deepened” with the prevalence of databases online. On this “deep Web,” numerous sources are structured, providing schema-rich data– Th...