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DSVIS
2005
Springer
14 years 8 days ago
A Calculus for the Refinement and Evolution of Multi-user Mobile Applications
The calculus outlined in this paper provides a formal architectural framework for describing and reasoning about the properties of multi-user and mobile distributed interactive sys...
W. Greg Phillips, T. C. Nicholas Graham, Christoph...
IFM
2000
Springer
104views Formal Methods» more  IFM 2000»
13 years 10 months ago
Structuring Real-Time Object-Z Specifications
This paper presents a means of structuring specifications in real-time Object-Z: an integration of Object-Z with the timed refinement calculus. Incremental modification of classes ...
Graeme Smith, Ian J. Hayes
PAMI
2008
182views more  PAMI 2008»
13 years 6 months ago
A Hierarchical Compositional Model for Face Representation and Sketching
This paper presents a hierarchical-compositional model of human faces, as a three-layer AND-OR graph to account for the structural variabilities over multiple resolutions. In the A...
Zijian Xu, Hong Chen, Song Chun Zhu, Jiebo Luo
ICTAI
1993
IEEE
13 years 11 months ago
Integrating Constraints, Composite Objects and Tasks in a Knowledge Representation System
Tropes, an object-based knowledge representation system, has been added three important intertwined features: constraints, composite objects and tasks. Constraints provide a decla...
Jérôme Gensel, Pierre Girard, Olivier...
APIN
2006
65views more  APIN 2006»
13 years 6 months ago
Granularity and disaggregation in compositional modelling with applications to ecological systems
In the past decade, compositional modelling (CM) has established itself as the predominant knowledge-based approach to construct mathematical (simulation) models automatically. Al...
Jeroen Keppens, Qiang Shen