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» An Operational Semantics for Stateflow
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ECBS
2009
IEEE
187views Hardware» more  ECBS 2009»
16 years 1 months ago
On the Meaning of SysML Activity Diagrams
In this paper, we aim to ascribe a meaning to SysML activity diagrams. To this end, we propose a dedicated algebraic-like language, namely activity calculus, and an operational se...
Yosr Jarraya, Mourad Debbabi, Jamal Bentahar
IFM
2007
Springer
16 years 1 months ago
Unifying Theories of Objects
We present an approach to modelling Abadi–Cardelli-style object calculi as Unifying Theories of Programming (UTP) designs. Here we provide a core object calculus with an operatio...
Michael Anthony Smith, Jeremy Gibbons
ICDE
2007
IEEE
89views Database» more  ICDE 2007»
15 years 10 months ago
A Flexible Query Graph Based Model for the Efficient Execution of Continuous Queries
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
ACL
1989
15 years 8 months ago
A Three-Valued Interpretation of Negation in Feature Structure Descriptions
Feature structures are informational elements that have been used in several linguistic theories and in computational systems for natural-language processing. A logicaJ calculus h...
Anuj Dawar, K. Vijay-Shanker
ENTCS
1998
105views more  ENTCS 1998»
15 years 6 months ago
A Concurrent Object Calculus: Reduction and Typing
We obtain a new formalism for concurrent object-oriented languages by extending Abadi and Cardelli's imperative object calculus with operators for concurrency from the -calc...
Andrew D. Gordon, Paul D. Hankin