168 search results - page 18 / 34 » Efficient Creation of Statistics over Query Expressions |
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
WEBDB
2009
Springer
14 years 2 months ago
2009
Springer
The ubiquitous adoption of XML as the standard of data exchange over the web has led to increased interest in building efficient and scalable XML publish-subscribe (pub-sub) syste...
PODS
2007
ACM
14 years 7 months ago
2007
ACM
IP packet streams consist of multiple interleaving IP flows. Statistical summaries of these streams, collected for different measurement periods, are used for characterization of ...
TIT
2002
13 years 7 months ago
2002
We present a theory, based on statistical mechanics, to evaluate analytically the performance of uncoded, fully synchronous, randomly spread code-division multiple-access (CDMA) mu...