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HEURISTICS
2006
148views more  HEURISTICS 2006»
15 years 4 months ago
On global warming: Flow-based soft global constraints
In case a CSP is over-constrained, it is natural to allow some constraints, called soft constraints, to be violated. We propose a generic method to soften global constraints that c...
Willem Jan van Hoeve, Gilles Pesant, Louis-Martin ...
IPPS
2009
IEEE
15 years 10 months ago
Implementing and evaluating multithreaded triad census algorithms on the Cray XMT
Commonly represented as directed graphs, social networks depict relationships and behaviors among social entities such as people, groups, and organizations. Social network analysi...
George Chin Jr., Andrès Márquez, Sut...
CASCON
2010
173views Education» more  CASCON 2010»
15 years 1 months ago
Designing Effective Notifications for Collaborative Development Environments
We describe research conducted to improve the design and management of notifications in the Jazz collaborative development environment. Scenario-based design was used in conjuncti...
Joanna McGrenere, Jin Li, Jimmy Lo, Elena Litani
ISBI
2007
IEEE
15 years 10 months ago
Direct Reconstruction of Spiral Mri Using Least Squares Quantization Table
The least squares quantization table (LSQT) method is proposed to accelerate the direct Fourier transform for reconstructing images from nonuniformly sampled data, similar to the ...
Dong Liang, Edmund Y. Lam, George S. K. Fung
ESA
2003
Springer
189views Algorithms» more  ESA 2003»
15 years 9 months ago
On the Complexity of Approximating TSP with Neighborhoods and Related Problems
We prove that various geometric covering problems, related to the Travelling Salesman Problem cannot be efficiently approximated to within any constant factor unless P = NP. This ...
Shmuel Safra, Oded Schwartz