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TIT
2011
109views more  TIT 2011»
14 years 6 months ago
On Achieving Local View Capacity Via Maximal Independent Graph Scheduling
—“If we know more, we can achieve more.” This adage also applies to networks, where more information about the network state translates into higher sum-rates. In this paper, ...
Vaneet Aggarwal, Amir Salman Avestimehr, Ashutosh ...
JMLR
2010
148views more  JMLR 2010»
14 years 5 months ago
Approximate Inference on Planar Graphs using Loop Calculus and Belief Propagation
We introduce novel results for approximate inference on planar graphical models using the loop calculus framework. The loop calculus (Chertkov and Chernyak, 2006b) allows to expre...
Vicenç Gómez, Hilbert J. Kappen, Mic...
CIKM
2011
Springer
13 years 11 months ago
Keyword search over RDF graphs
Large knowledge bases consisting of entities and relationships between them have become vital sources of information for many applications. Most of these knowledge bases adopt the...
Shady Elbassuoni, Roi Blanco
93
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ICALP
2009
Springer
15 years 11 months ago
Node-Weighted Steiner Tree and Group Steiner Tree in Planar Graphs
We improve the approximation ratios for two optimization problems in planar graphs. For node-weighted Steiner tree, a classical network-optimization problem, the best achievable ap...
Erik D. Demaine, MohammadTaghi Hajiaghayi, Philip ...
ENDM
2006
57views more  ENDM 2006»
14 years 11 months ago
One-point extensions of generalized hexagons and octagons
In this note, we prove the uniqueness of the one-point extension S of a generalized hexagon of order 2 and prove the non-existence of such an extension S of any other finite gener...
Hans Cuypers, A. De Wispelaere, Hendrik Van Maldeg...