4397 search results - page 11 / 880 » Relational Algebra Operations |
ICDE
1999
IEEE
14 years 9 months ago
1999
IEEE
Most operations of the relational algebra or SQL require a sorted stream of tuples for efficient processing. Therefore, processing complex relational queries relies on efficient a...
SEFM
2008
IEEE
14 years 1 months ago
2008
IEEE
We present a process algebra for modeling and reasoning about Mobile Ad hoc Networks (MANETs) and their protocols. In our algebra we model the essential modeling concepts of ad ho...
JLP
2011
12 years 10 months ago
2011
A Concurrent Kleene Algebra offers two composition operators, related by a weak version of an exchange law: when applied in a trace model of program semantics, one of them stands...
FOIS
2006
13 years 9 months ago
2006
An ontology alignment is the expression of relations between different ontologies. In order to view alignments independently from the language expressing ontologies and from the te...
WEBDB
2005
Springer
14 years 1 months ago
2005
Springer
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...