6597 search results - page 57 / 1320 » Orderings and Types in Databases |
ICFP
1997
ACM
14 years 1 months ago
1997
ACM
We show how to implement a calculus with higher-order subtyping and subkinding by replacing uses of implicit subsumption with explicit coercions. To ensure this can be done, a pol...
MST
2008
13 years 9 months ago
2008
Subtyping in first order object calculi is studied with respect to the logical semantics obtained by identifying terms that satisfy the same set of predicates, as formalised throu...
ASP
2003
Springer
14 years 2 months ago
2003
Springer
We present CR-Prolog2, an extension of A-Prolog with cr-rules and ordered disjunction. CR-rules can be used to formalize various types of common-sense knowledge and reasoning, tha...
SIGMOD
2002
ACM
13 years 8 months ago
2002
ACM
Workflow management systems (WFMS) that are geared for the orchestration of business processes across multiple organizations are complex distributed systems: they consist of multi...
AISC
2008
Springer
13 years 11 months ago
2008
Springer
We use higher-order logic to verify a quantifier elimination procedure for linear arithmetic over ordered fields, where the coefficients of variables are multivariate polynomials o...