Sciweavers

992 search results - page 56 / 199
» Dependencies to Optimize Ontology Based Data Access
Sort
View
ICC
2007
IEEE
301views Communications» more  ICC 2007»
14 years 2 months ago
Network Lifetime Optimization by Duality Approach for Multi-Source and Single-Sink Topology in Wireless Sensor Networks
—The multi-source and single-sink (MSSS) topology, in wireless sensor networks, is defined as the network topology, where all of nodes can gather, receive and transmit data to t...
Hui Wang, Yuhang Yang, Maode Ma, Xiaomin Wang
PPOPP
2003
ACM
14 years 29 days ago
Exploiting high-level coherence information to optimize distributed shared state
InterWeave is a distributed middleware system that supports the sharing of strongly typed, pointer-rich data structures across a wide variety of hardware architectures, operating ...
DeQing Chen, Chunqiang Tang, Brandon Sanders, Sand...
VTC
2008
IEEE
185views Communications» more  VTC 2008»
14 years 2 months ago
Opportunistic Spectrum Access for Energy-Constrained Cognitive Radios
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
Anh Tuan Hoang, Ying-Chang Liang, David Tung Chong...
ICDE
1998
IEEE
108views Database» more  ICDE 1998»
14 years 9 months ago
Efficient Discovery of Functional and Approximate Dependencies Using Partitions
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
Ykä Huhtala, Juha Kärkkäinen, Pasi ...
VLDB
2005
ACM
81views Database» more  VLDB 2005»
14 years 1 months ago
Flexible Database Generators
Evaluation and applicability of many database techniques, ranging from access methods, histograms, and optimization strategies to data normalization and mining, crucially depend o...
Nicolas Bruno, Surajit Chaudhuri