Sciweavers

1497 search results - page 36 / 300
» Constraint Databases: A Survey
Sort
View
EUROMICRO
2004
IEEE
13 years 11 months ago
A Survey on Dependable Routing in Sensor Networks, Ad hoc Networks, and Cellular Networks
The class of wireless and mobile networks features a dissimilar set of characteristics and constraints compared to traditional fixed networks. The various dimensions of these char...
Matthias Hollick, Ivan Martinovic, Tronje Krop, Iv...
NETWORK
2007
144views more  NETWORK 2007»
13 years 7 months ago
A Survey of Routing Protocols that Support QoS in Mobile Ad Hoc Networks
The explosive growth in the use of mobile devices coupled with users’ desires for real-time applications has provided new challenges in the design of protocols for mobile ad hoc...
Lei Chen, Wendi B. Heinzelman
OTM
2005
Springer
14 years 27 days ago
Maintaining Global Integrity in Federated Relational Databases Using Interactive Component Systems
The maintenance of global integrity constraints in database federations is still a challenge since traditional integrity constraint management techniques cannot be applied to such ...
Christopher Popfinger, Stefan Conrad
ICDE
2003
IEEE
96views Database» more  ICDE 2003»
14 years 8 months ago
Pushing Aggregate Constraints by Divide-and-Approximate
Iceberg-cube mining is to compute the GROUP BY partitions, for all GROUP BY dimension lists, that satisfy a given aggregate constraint. Previous works have pushed anti-monotone co...
Ke Wang, Yuelong Jiang, Jeffrey Xu Yu, Guozhu Dong...
VTC
2007
IEEE
106views Communications» more  VTC 2007»
14 years 1 months ago
A Survey on LDPC Codes and Decoders for OFDM-based UWB Systems
— Current UWB systems apply convolutional codes as their channel coding scheme. For next generation systems LDPC codes are in discussion due to their outstanding communications p...
Torben Brack, Matthias Alles, Timo Lehnigk-Emden, ...