37 search results - page 7 / 8 » Algebraic Identities and Query Optimization in a Parametric ... |
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Existing temporal pattern mining assumes that events do not have any duration. However, events in many real world applications have durations, and the relationships among these ev...
ICDE
1993
IEEE
13 years 11 months ago
1993
IEEE
Emerging database application domains demand not only new functionality but also high performance. To satisfy these two requirements, the Volcano project provides efficient, exten...
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
KRDB
1997
13 years 8 months ago
1997
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...