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» Combining Two Formalism for Reasoning about Concepts
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IJAOSE
2007
93views more  IJAOSE 2007»
13 years 7 months ago
A formal semantics for Gaia liveness rules and expressions
The Gaia methodology is a development methodology for multi-agent systems that uses the concept of roles to define behaviour. Gaia uses liveness expressions, which are expression...
Tim Miller, Peter McBurney
DS
1997
97views Database» more  DS 1997»
13 years 8 months ago
A Formalization of ODMG Queries
The ODMG proposal has helped to focus the work on object-oriented databases (OODBs) onto a common object model and query language. Nevertheless there are several shortcomings of t...
Holger Riedel, Marc H. Scholl
ICCS
2007
Springer
13 years 11 months ago
Towards a Formal Foundation for Aggregating Scientific Workflows
In e-Science, scientific workflow systems are used to share data and knowledge in collaborative experiments. In recent work we discussed the concepts of a workflow bus [1], allowin...
Frank Terpstra, Zhiming Zhao, Wico Mulder, Pieter ...
HYBRID
1992
Springer
13 years 11 months ago
A Formal Approach to Computer Systems Requirements Documentation
This paper demonstrates how the extended duration calculus [4] can be used to support the approach to documentation of computer systems presented by in [1]. This approach uses the ...
Marcin Engel, Marcin Kubica, Jan Madey, David Lorg...
ER
2005
Springer
170views Database» more  ER 2005»
14 years 1 months ago
Conceptual Neighbourhood Diagrams for Representing Moving Objects
The idea of Conceptual Neighbourhood Diagram (CND) has proved its relevance in the areas of qualitative reasoning about time and qualitative reasoning about space. In this work, a ...
Nico Van de Weghe, Philippe De Maeyer