208 search results - page 36 / 42 » Efficient Computation of Multiple Group By Queries |
DEBS
2008
ACM
13 years 9 months ago
2008
ACM
We consider a distributed system that disseminates highvolume event streams to many simultaneous monitoring applications over a low-bandwidth network. For bandwidth efficiency, we...
NGC
2002
Springer
13 years 7 months ago
2002
Springer
Abundant content, data type and diverse members' interests naturally lead to preference heterogeneity within a multicast session requiring frequent communication within subgr...
MOBISYS
2008
ACM
14 years 7 months ago
2008
ACM
Proactively providing services to mobile individuals is essential for emerging ubiquitous applications. The major challenge in providing users with proactive services lies in cont...
ICPR
2008
IEEE
14 years 8 months ago
2008
IEEE
Most of current fingerprint indexing schemes utilize features based on global textures and minutiae structures. To extend the existing technology of feature extraction, this paper...
AMW
2010
13 years 9 months ago
2010
A Data Warehouse (DW) is a data repository that integrates data from multiple sources and organizes the data according to a set of data structures called dimensions. Each dimension...