Multidimensional data cubes are used in large data warehouses as a tool for online aggregation of information. As the number of dimensions increases, supporting efficient queries ...
In this paper, dynamic meta modeling is proposed as a new approach to the operational semantics of behavioral UML diagrams. The dynamic meta model extends the well-known static met...
Gregor Engels, Jan Hendrik Hausmann, Reiko Heckel,...
High-performance execution in distributed computing environments often requires careful selection and configuration not only of computers, networks, and other resources but also o...
Steven Fitzgerald, Ian T. Foster, Carl Kesselman, ...
Activity spaces are usually task-specific and only common to a group of people who work together in a certain application domain. It is desirable to enable users to define and mod...
We present a 3-D version of GEM [6], a randomized adaptive layout algorithm for nicely drawing undirected graphs, based on the spring-embedder paradigm [4]. The new version, GEM-3D...