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GD
1998
Springer
15 years 11 months ago
Improved Force-Directed Layouts
Abstract. Techniques for drawing graphs based on force-directed placement and virtual physical models have proven surprisingly successful in producing good layouts of undirected gr...
Emden R. Gansner, Stephen C. North
UML
1998
Springer
15 years 11 months ago
Reflections on the Object Constraint Language
The object Constraint Language (OCL), which forms part of the UML set of modelling notations, is a precise, textual language for expressing constraints that cannot be shown diagram...
Ali Hamie, Franco Civello, John Howse, Stuart Kent...
EPIA
1989
Springer
15 years 10 months ago
Semantic Analysis of Time and Tense in Natural Language: An Implementation
In this paper a model for temporal references in natural language (NL) is studied and a Prolog implementation of it is presented. This model is intended to be a common framework f...
Nelma Moreira
ICARIS
2007
Springer
15 years 10 months ago
Regulatory T Cells: Inspiration for Artificial Immune Systems
In this conceptual paper, some features of regulatory T cells are described. These cells have been receiving an increasing attention in Immunological research, due to their importa...
Thiago S. Guzella, Tomaz A. Mota-Santos, Walmir M....
ARCS
2006
Springer
15 years 10 months ago
Safety, Liveness, and Information Flow: Dependability Revisited
Abstract: We present a formal framework to talk and reason about dependable systems. The framework is based on three distinct classes of (system specification) properties we call s...
Zinaida Benenson, Felix C. Freiling, Thorsten Holz...