750 search results - page 108 / 150 » Aggregates in Possibilistic Databases |
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Sensors capable of sensing phenomena at high data rates on the order of tens to hundreds of thousands of samples per second are now widely deployed in many industrial, civil engine...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
Radio Frequency Identification (RFID) applications are set to play an essential role in object tracking and supply chain management systems. In the near future, it is expected tha...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
ICDE
2005
IEEE
14 years 11 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...