154 search results - page 1 / 31 » Computing universal models under guarded TGDs |
ICDT
2012
ACM
11 years 7 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
PODS
2004
ACM
14 years 5 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
LCTRTS
2010
Springer
13 years 2 months ago
2010
Springer
Concurrent Action-Oriented Specifications (CAOS) model the behavior of a synchronous hardware circuit as asynchronous guarded at an abstraction level higher than the Register Tran...
DATE
2010
IEEE
13 years 10 months ago
2010
IEEE
—Synchronous languages offer a deterministic model of concurrency at the level of actions. However, essentially all compilers for synchronous languages compile these actions into...
LICS
2006
IEEE
13 years 11 months ago
2006
IEEE
We consider the monadic boundedness problem for least fixed points over FO formulae as a decision problem: Given a formula ϕ(X, x), positive in X, decide whether there is a unif...