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» SNPs Problems, Complexity, and Algorithms
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PODS
2007
ACM
159views Database» more  PODS 2007»
16 years 6 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
FOCS
2006
IEEE
16 years 21 days ago
New Results for Learning Noisy Parities and Halfspaces
We address well-studied problems concerning the learnability of parities and halfspaces in the presence of classification noise. Learning of parities under the uniform distributi...
Vitaly Feldman, Parikshit Gopalan, Subhash Khot, A...
225
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CVIU
2011
14 years 10 months ago
Graph-based quadratic optimization: A fast evolutionary approach
Quadratic optimization lies at the very heart of many structural pattern recognition and computer vision problems, such as graph matching, object recognition, image segmentation, ...
Samuel Rota Bulò, Marcello Pelillo, Immanue...
P2P
2007
IEEE
113views Communications» more  P2P 2007»
16 years 28 days ago
Handling Network Partitions and Mergers in Structured Overlay Networks
Structured overlay networks form a major class of peerto-peer systems, which are touted for their abilities to scale, tolerate failures, and self-manage. Any long-lived Internet-s...
Tallat M. Shafaat, Ali Ghodsi, Seif Haridi
WADS
2007
Springer
180views Algorithms» more  WADS 2007»
16 years 23 days ago
Spanners for Geometric Intersection Graphs
A ball graph is an intersection graph of a set of balls with arbitrary radii. Given a real number t > 1, we say that a subgraph G′ of a graph G is a t-spanner of G, if for eve...
Martin Fürer, Shiva Prasad Kasiviswanathan