Abstract: Currently, there are strong efforts to integrate spatial and temporal database technology into spatio-temporal database systems. This paper views the topic from a rather ...
Martin Erwig, Markus Schneider, Ralf Hartmut G&uum...
Joins or chords is a concurrency construct that seems to fit well with the object oriented paradigm. Chorded languages are presented with implicit assumptions regarding the fair t...
We define the dynamic semantics of UML State Machines which integrate statecharts with the UML object model. The use of ASMs allows us (a) to rigorously model the event driven run...
Java programs perform many synchronization operations on data structures. Some of these synchronizations are unnecessary; in particular, if an object is reachable only by a single ...
The interaction history of a document can be modelled as a tree of command objects. This model does not only support recovery (undo/redo), but is also suitable for cooperation betw...