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» A Formal Semantics for SPKI
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AMW
2011
12 years 11 months ago
Subqueries in SPARQL
Subqueries are a poweful feature which allows to enforce reuse, composition, rewriting and optimization in a query language. In this paper we perform a comprehensive study of the i...
Renzo Angles, Claudio Gutierrez
FORTE
2011
12 years 11 months ago
On Global Types and Multi-party Sessions
We present a new, streamlined language of global types equipped with a trace-based semantics and whose features and restrictions are semantically justified. The multi-party sessio...
Giuseppe Castagna, Mariangiola Dezani-Ciancaglini,...
JAIR
2012
211views Hardware» more  JAIR 2012»
11 years 10 months ago
Reformulating the Situation Calculus and the Event Calculus in the General Theory of Stable Models and in Answer Set Programming
Circumscription and logic programs under the stable model semantics are two wellknown nonmonotonic formalisms. The former has served as a basis of classical logic based action for...
Joohyung Lee, Ravi Palla
FLAIRS
2006
13 years 9 months ago
A Note on Comparing Semantics for Conditionals
In this paper, we will study semantics that have been used for conditionals in the area of knowledge representation and reasoning: A purely qualitative semantics based on the popu...
Christoph Beierle, Gabriele Kern-Isberner
KBSE
1997
IEEE
13 years 12 months ago
A Formal Automated Approach for Reverse Engineering Programs with Pointers
Given a program S and a precondition Q, the strongest postcondition, denoted sp(S Q), is defined as the strongest condition that holds after the execution of S, given that S term...
Gerald C. Gannod, Betty H. C. Cheng