651 search results - page 105 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
AP2PC
2003
Springer
14 years 2 months ago
2003
Springer
The objective of query optimizers is to select a good execution plan for a given query. In a distributed system, it is crucial for a query optimizer to have effective remote cost e...
ESWS
2008
Springer
13 years 10 months ago
2008
Springer
In this contribution a system is presented, which provides access to distributed data sources using Semantic Web technology. While it was primarily designed for data sharing and sc...
ICS
2010
Tsinghua U.
14 years 6 months ago
2010
Tsinghua U.
We consider the problem of boosting the accuracy of weak learning algorithms in the agnostic learning framework of Haussler (1992) and Kearns et al. (1992). Known algorithms for t...
IPSN
2010
Springer
14 years 3 months ago
2010
Springer
A key problem in sensor networks is to decide which sensors to query when, in order to obtain the most useful information (e.g., for performing accurate prediction), subject to co...
POPL
2012
ACM
12 years 4 months ago
2012
ACM
Software-defined networks (SDNs) are a new implementation architecture in which a controller machine manages a distributed collection of switches, by instructing them to install ...