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TGC
2010
Springer
13 years 5 months ago
An Algebra of Hierarchical Graphs
We define an algebraic theory of hierarchical graphs, whose axioms characterise graph isomorphism: two terms are equated exactly when they represent the same graph. Our algebra can...
Roberto Bruni, Fabio Gadducci, Alberto Lluch-Lafue...
FMCO
2005
Springer
14 years 1 months ago
Divide and Congruence: From Decomposition of Modalities to Preservation of Branching Bisimulation
We present a method for decomposing modal formulas for processes with the internal action τ. To decide whether a process algebra term satisfies a modal formula, one can check whe...
Wan Fokkink, Rob J. van Glabbeek, Paulien de Wind
BIRTHDAY
2003
Springer
14 years 26 days ago
Digital Algebra and Circuits
Abstract. Digital numbers D are the world’s most popular data representation: nearly all texts, sounds and images are coded somewhere in time and space by binary sequences. The m...
Jean Vuillemin
ACS
2005
13 years 7 months ago
An Operadic Approach to Internal Structures
We study internal structures in the category of algebras for an operad, and show that these themselves admit an operadic description. The main case of interest is where the operad...
Stephen Lack, Simona Paoli
ISCI
2008
108views more  ISCI 2008»
13 years 7 months ago
Modeling and manipulating the structure of hierarchical schemas for the web
The Semantic Web is the next step of the current Web where information will become more machine-understandable to support effective data discovery and integration. Hierarchical sc...
Theodore Dalamagas, Alexandra Meliou, Timos K. Sel...