710 search results - page 3 / 142 » Relational Expressive Power of Constraint Query Languages |
JACM
2000
13 years 7 months ago
2000
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
WWW
2001
ACM
14 years 8 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
UML
2001
Springer
14 years 1 days ago
2001
Springer
UML is the de-facto standard language for Object-Oriented analysis and design of information systems. Persistent storage and extraction of data in such systems is supported by dat...
AIR
2006
13 years 7 months ago
2006
Abstract Storing and retrieving time-related information are important, or even critical, tasks on many areas of Computer Science (CS) and in particular for Artificial Intelligence...
LICS
2007
IEEE
14 years 1 months ago
2007
IEEE
We introduce symmetric Datalog, a syntactic restriction of linear Datalog and show that its expressive power is exactly that of restricted symmetric monotone Krom SNP. The deep re...