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MOBIHOC
2003
ACM
15 years 9 months ago
Connected sensor cover: self-organization of sensor networks for efficient query execution
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
Himanshu Gupta, Samir R. Das, Quinyi Gu
IDEAS
2008
IEEE
96views Database» more  IDEAS 2008»
15 years 4 months ago
Robust aggregation in peer-to-peer database systems
Peer-to-peer database systems (P2PDBs) aim at providing database services with node autonomy, high availability and loose coupling between participating nodes by building the DBMS...
Norvald H. Ryeng, Kjetil Nørvåg
SIGMOD
1998
ACM
97views Database» more  SIGMOD 1998»
15 years 1 months ago
Cost Based Query Scrambling for Initial Delays
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...
Tolga Urhan, Michael J. Franklin, Laurent Amsaleg
PPSN
1998
Springer
15 years 1 months ago
Comparison of Evolutionary Algorithms for Design Optimization
The production of specimen for microsystems or microcomponents is both, time and material-consuming. In a traditional design process the number of possible variations which can be ...
Wilfried Jakob, Martina Gorges-Schleuter, Ingo Sie...
ICDE
2005
IEEE
123views Database» more  ICDE 2005»
15 years 3 months ago
Load and Network Aware Query Routing for Information Integration
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
Wen-Syan Li, Vishal S. Batra, Vijayshankar Raman, ...