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JLP
2006
126views more  JLP 2006»
13 years 9 months ago
Compositional modeling and refinement for hierarchical hybrid systems
In this paper, we develop a theory of modular design and refinement of hierarchical hybrid systems. In particular, we present compositional trace-based semantics for the language ...
Rajeev Alur, Radu Grosu, Insup Lee, Oleg Sokolsky
FTRTFT
1998
Springer
14 years 2 months ago
A Modular Visual Model for Hybrid Systems
Visual description techniques are particularly important for the design of hybrid systems because specifications of such systems must usually be discussed between engineers from a ...
Radu Grosu, Thomas Stauner, Manfred Broy
COMPOS
1997
Springer
14 years 1 months ago
Compositional Refinement of Interactive Systems Modelled by Relations
We introduce a mathematical model of components that can be used for the description of both hardware and software units forming distributed interactive systems. As part of a distr...
Manfred Broy
ATVA
2008
Springer
148views Hardware» more  ATVA 2008»
13 years 11 months ago
Decidable Compositions of O-Minimal Automata
We identify a new class of decidable hybrid automata: namely, parallel compositions of semi-algebraic o-minimal automata. The class we consider is fundamental to hierarchical model...
Alberto Casagrande, Pietro Corvaja, Carla Piazza, ...
KDD
2005
ACM
135views Data Mining» more  KDD 2005»
14 years 10 months ago
A hybrid unsupervised approach for document clustering
We propose a hybrid, unsupervised document clustering approach that combines a hierarchical clustering algorithm with Expectation Maximization. We developed several heuristics to ...
Mihai Surdeanu, Jordi Turmo, Alicia Ageno