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» On the complexity of hierarchical problem solving
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SEC
2007
15 years 3 months ago
Extending Role Based Access Control Model for Distributed Multidomain Applications
This paper presents the results related to the development of a flexible domain-based access control infrastructure for distributed Grid-based Collaborative Environments and Comple...
Yuri Demchenko, Leon Gommans, Cees de Laat
GECCO
2007
Springer
160views Optimization» more  GECCO 2007»
15 years 7 months ago
Hill climbing on discrete HIFF: exploring the role of DNA transposition in long-term artificial evolution
We show how a random mutation hill climber that does multilevel selection utilizes transposition to escape local optima on the discrete Hierarchical-If-And-Only-If (HIFF) problem....
Susan Khor
TCS
2010
15 years 2 days ago
Iterative compression and exact algorithms
Iterative Compression has recently led to a number of breakthroughs in parameterized complexity. Here, we show that the technique can also be useful in the design of exact exponen...
Fedor V. Fomin, Serge Gaspers, Dieter Kratsch, Mat...
SMI
2008
IEEE
108views Image Analysis» more  SMI 2008»
15 years 8 months ago
Variational Multilevel Mesh Clustering
In this paper a novel clustering algorithm is proposed, namely Variational Multilevel Mesh Clustering (VMLC). The algorithm incorporates the advantages of both hierarchical and va...
Iurie Chiosa, Andreas Kolb
ICRA
2006
IEEE
103views Robotics» more  ICRA 2006»
15 years 7 months ago
A Time-budgeted Collision Detection Method
- Collision detection is a critical module in many applications such as computer graphics, robot motion planning, physical simulation, CAD/CAM, and molecular modeling. Many efficie...
Yu-Te Lin, Tsai-Yen Li