330 search results - page 5 / 66 » A data abstraction approach for query relaxation |
APPROX
2004
Springer
14 years 27 days 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...
ICDE
2005
IEEE
14 years 8 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...
TWC
2011
13 years 1 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
13 years 7 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
14 years 26 days 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...