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...
We define a parameterization for an n-holed tori based on the hyperbolic polygon. We model the domain using a manifold with 2n+ 2 charts, and linear fractional transformations for...
Ontologies are consensual representations of a domain of discourse and the backbone of the future Semantic Web. Currently, however, only a fraction of Web users can take part in t...
Martin Hepp, Daniel Bachlechner, Katharina Siorpae...
Widgets are small and focused multimedia applications that can be found on desktop computers, mobile devices or even TV sets. Widgets rely on structured documents to describe thei...
Cyril Concolato, Jean Le Feuvre, Jean-Claude Dufou...
Widgets are becoming a natural way to design small, intuitive application, and their usage is becoming widespread on both the desktop and the mobile world. However, most widgets s...
Jean Le Feuvre, Cyril Concolato, Jean-Claude Dufou...