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AAAI
1997
14 years 11 months ago
The Scaling of Search Cost
We show that a resealed constrainedness parameter provides the basis for accurate numerical models of search cost for both backtracking and local search algorithms. In the past, t...
Ian P. Gent, Ewan MacIntyre, Patrick Prosser, Toby...
GECCO
2008
Springer
126views Optimization» more  GECCO 2008»
14 years 11 months ago
Swarm intelligence in e-learning: a learning object sequencing agent based on competencies
In e-learning initiatives content creators are usually required to arrange a set of learning resources in order to present them in a comprehensive way to the learner. Course mater...
Luis de Marcos, José-Javier Martínez...
ICWS
2008
IEEE
14 years 11 months ago
A Theory of Role Composition
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
Jeffrey Fischer, Rupak Majumdar
RTSS
2005
IEEE
15 years 3 months ago
Optimal Task Rate Selection in Fixed Priority Systems
The design phase of any real-time system requires balancing the limited computational resources against the functional requirements and the performance of the application. The opt...
Enrico Bini, Marco Di Natale
SIAMAM
2008
76views more  SIAMAM 2008»
14 years 9 months ago
Stability of Solitary Waves in a Semiconductor Drift-Diffusion Model
We consider a macroscopic (drift-diffusion) model describing a simple microwave generator, consisting of a special type of semiconductor material that, when biased above a certain ...
C. M. Cuesta, C. Schmeiser