2063 search results - page 174 / 413 » Containment of Aggregate Queries |
199
click to vote
BTW
2007
Springer
16 years 16 days ago
2007
Springer
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...
158
click to vote
ADC
2004
Springer
15 years 10 months ago
2004
Springer
Most modern database applications contain a significant amount of time dependent data and a substantial proportion of this data is now-relative, i.e. current now. While much resea...
148
click to vote
SDM
2007
SIAM
15 years 7 months ago
2007
SIAM
An increasing amount of data is produced in the form of text streams − these can be RSS news feeds, TV closed captions, emails, etc. We study the problem of answering keyword qu...
166
click to vote
AI
2010
Springer
15 years 6 months ago
2010
Springer
We develop a new automated reasoning technique for the situation calculus that can handle a class of queries containing universal quantication over situation terms. Although such ...
138
click to vote
DEBU
2008
15 years 6 months ago
2008
Database administrators struggle when managing workloads that have widely different performance requirements. For example, the same database may support short-running OLTP queries...