1129 search results - page 190 / 226 » Data Stream Management for Historical XML Data |
PODS
2010
ACM
14 years 20 days ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
BROADNETS
2004
IEEE
13 years 11 months ago
2004
IEEE
Survivability becomes increasingly critical in managing high-speed networks as data traffic continues to grow in both size and importance. In addition, the impact of failures is e...
IOPADS
1997
13 years 9 months ago
1997
We provide a competitive analysis framework for online prefetching and buffer management algorithms in parallel I/O systems, using a read-once model of block references. This has ...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
Cognitive radio (CR) techniques improve the spectrum utilization by exploiting temporarily-free frequency bands (i.e., in the time domain). The spectrum utilization can be boosted...
FGCN
2008
IEEE
14 years 2 months ago
2008
IEEE
In a smart building environment nomadic users can benefit from specialised contextsensitive services. These can increase productivity and offer an improved lifestyle for users. Th...