16404 search results - page 2452 / 3281 » A set coverage problem |
316
click to vote
ICDE
2006
IEEE
16 years 9 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
317
click to vote
ICDE
2006
IEEE
16 years 9 months ago
2006
IEEE
Given a set of multi-dimensional points, the skyline contains the best points according to any preference function that is monotone on all axes. In practice, applications that req...
289
click to vote
ICDE
2006
IEEE
16 years 9 months ago
2006
IEEE
It is well recognized that data cubing often produces huge outputs. Two popular efforts devoted to this problem are (1) iceberg cube, where only significant cells are kept, and (2...
323
click to vote
ICDE
2005
IEEE
16 years 9 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
299
click to vote
ICDE
2004
IEEE
16 years 9 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...