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» Formal topology and domains
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APSEC
2005
IEEE
14 years 3 months ago
A Formal Semantics of Timed Activity Diagrams and its PROMELA Translation
The lack of a precise semantics for UML activity diagrams makes the reasoning on models constructed using such diagrams infeasible. However, such diagrams are widely used in domai...
Nicolas Guelfi, Amel Mammar
ECTEL
2007
Springer
14 years 4 months ago
Building Domain Ontologies from Text for Educational Purposes
—This paper presents a semiautomatic framework that aims to produce domain concept maps from text and then to derive domain ontologies from these concept maps. This methodology p...
Amal Zouaq, Roger Nkambou, Claude Frasson
COSIT
2009
Springer
116views GIS» more  COSIT 2009»
14 years 4 months ago
The Endpoint Hypothesis: A Topological-Cognitive Assessment of Geographic Scale Movement Patterns
Movement patterns of individual entities at the geographic scale are becoming a prominent research focus in spatial sciences. One pertinent question is how cognitive and formal cha...
Alexander Klippel, Rui Li
SSD
1993
Springer
152views Database» more  SSD 1993»
14 years 1 months ago
Realms: A Foundation for Spatial Data Types in Database Systems
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
Ralf Hartmut Güting, Markus Schneider
EWSA
2006
Springer
14 years 1 months ago
Modes for Software Architectures
Abstract. Modern systems are heterogeneous, geographically distributed and highly dynamic since the communication topology can vary and the components can, at any moment, connect t...
Dan Hirsch, Jeff Kramer, Jeff Magee, Sebasti&aacut...