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GG
2008
Springer
14 years 10 months ago
Behavior Preservation in Model Refactoring Using DPO Transformations with Borrowed Contexts
Behavior preservation, namely the fact that the behavior of a model is not altered by the transformations, is a crucial property in refactoring. The most common approaches to behav...
Guilherme Rangel, Leen Lambers, Barbara König...
GPC
2008
Springer
14 years 10 months ago
An Automatic and Scalable Testing Tool for Workflow Systems
Nowadays workflow systems are widely deployed around the world, especially within large international corporations. Thus the performance evaluation of these workflow systems becom...
Lin Quan, Xiaozhu Lin, Jianmin Wang
CG
2008
Springer
14 years 9 months ago
Fast, parallel, and asynchronous construction of BVHs for ray tracing animated scenes
Recent developments have produced several techniques for interactive ray tracing of dynamic scenes. In particular, bounding volume hierarchies (BVHs) are efficient acceleration st...
Ingo Wald, Thiago Ize, Steven G. Parker
CORR
2008
Springer
155views Education» more  CORR 2008»
14 years 9 months ago
Weighted Sum Rate Optimization for Cognitive Radio MIMO Broadcast Channels
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
Lan Zhang, Yan Xin, Ying-Chang Liang
CORR
2008
Springer
179views Education» more  CORR 2008»
14 years 9 months ago
Practical Automated Partial Verification of Multi-Paradigm Real-Time Models
This article introduces a fully automated verification technique that permits to analyze real-time systems described using a continuous notion of time and a mixture of operational...
Carlo A. Furia, Matteo Pradella, Matteo Rossi