262 search results - page 37 / 53 » Spatio-temporal join selectivity |
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Scientific database federations are geographically distributed and network bound. Thus, they could benefit from proxy caching. However, existing caching techniques are not suitabl...
KDD
2005
ACM
14 years 8 months ago
2005
ACM
Online information services have grown too large for users to navigate without the help of automated tools such as collaborative filtering, which makes recommendations to users ba...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
ADBIS
2009
Springer
14 years 2 months ago
2009
Springer
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper discusses the issue of dynamic resource allocation (DRA) in the context of cognitive radio (CR) networks. We present a general framework adopting generalized transmitte...