766 search results - page 76 / 154 » Commuting aggregation operators |
HICSS
2003
IEEE
14 years 2 months ago
2003
IEEE
Microeconomics offer a far developed theory on the subject of rational choice. This theory is applied to a multi-agent system, which has been modeled in order to establish schedul...
DBPL
1999
Springer
14 years 1 months ago
1999
Springer
We consider IES(SQL), the incremental evaluation system over an SQL-like language with grouping, arithmetics, and aggregation. We show that every second order query is in IES(SQL) ...
EPEW
2007
Springer
14 years 25 days ago
2007
Springer
A parallel composition is defined for Markov reward chains with fast transitions and for discontinuous Markov reward chains. In this setting, compositionality with respect to the r...
DASFAA
1995
IEEE
14 years 14 days ago
1995
IEEE
A path dictionary encodes the connections among objects in the aggregation hierarchy. It has been shown to be an efficient mechanism for supporting nested object queries [6]. In t...
VLDB
1987
ACM
14 years 11 days ago
1987
ACM
The design of the POSTGRES data model is described. The data model is a relational model that has been extended with abstract data types including user-defined operators and proce...