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» An Operational Semantics for Stateflow
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ECBS
2009
IEEE
187views Hardware» more  ECBS 2009»
15 years 12 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
15 years 11 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 9 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...
159
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ACL
1989
15 years 6 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 4 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