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COCOA
2009
Springer
15 years 6 months ago
Recoverable Robust Timetables on Trees
In the context of scheduling and timetabling, we study a challenging combinatorial problem which is very interesting for both practical and theoretical points of view. The motivati...
Gianlorenzo D'Angelo, Gabriele Di Stefano, Alfredo...
COSIT
2009
Springer
133views GIS» more  COSIT 2009»
15 years 6 months ago
A Metric Conceptual Space Algebra
Abstract. The modeling of concepts from a cognitive perspective is important for designing spatial information systems that interoperate with human users. Concept representations t...
Benjamin Adams, Martin Raubal
NOSSDAV
2009
Springer
15 years 6 months ago
A delaunay triangulation architecture supporting churn and user mobility in MMVEs
This article proposes a new distributed architecture for update message exchange in massively multi-user virtual environments (MMVE). MMVE applications require delivery of updates...
Mohsen Ghaffari, Behnoosh Hariri, Shervin Shirmoha...
PVM
2009
Springer
15 years 6 months ago
Hierarchical Collectives in MPICH2
Abstract. Most parallel systems on which MPI is used are now hierarchical: some processors are much closer to others in terms of interconnect performance. One of the most common su...
Hao Zhu, David Goodell, William Gropp, Rajeev Thak...
CDC
2008
IEEE
129views Control Systems» more  CDC 2008»
15 years 6 months ago
Distributed subgradient methods and quantization effects
Abstract— We consider a convex unconstrained optimization problem that arises in a network of agents whose goal is to cooperatively optimize the sum of the individual agent objec...
Angelia Nedic, Alexander Olshevsky, Asuman E. Ozda...