992 search results - page 167 / 199 » Dependencies to Optimize Ontology Based Data Access |
TMC
2011
13 years 2 months ago
2011
—An energy-efficient, reliable and timely data transmission is essential for wireless sensor networks (WSNs) employed in scenarios where plant information must be available for ...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, we consider a deadline constrained traffic and analyze the joint effects of packet queuing and adaptive modulation (AM) for packet transmission in MIMO systems. We p...
GBRPR
2007
Springer
14 years 1 months ago
2007
Springer
Segmentation algorithms based on an energy minimisation framework often depend on a scale parameter which balances a fit to data and a regularising term. Irregular pyramids are de...
SBBD
2003
13 years 9 months ago
2003
A common requirement of many scientific applications is the ability to process queries involving expensive predicates corresponding to user programs. Optimizing such queries is ha...