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SODA
2004
ACM
115views Algorithms» more  SODA 2004»
15 years 7 months ago
Minimizing the stabbing number of matchings, trees, and triangulations
The (axis-parallel) stabbing number of a given set of line segments is the maximum number of segments that can be intersected by any one (axis-parallel) line. We investigate probl...
Sándor P. Fekete, Marco E. Lübbecke, H...
INFOCOM
2009
IEEE
16 years 19 days ago
Hardness and Approximation of the Survivable Multi-Level Fat Tree Problem
—With the explosive deployment of “triple play” (voice, video and data services) over the same access network, guaranteeing a certain-level of survivability for the access ne...
Hung Q. Ngo, Thanh-Nhan Nguyen, Dahai Xu
155
Voted
ECCV
1998
Springer
16 years 7 months ago
Matching Hierarchical Structures Using Association Graphs
?It is well-known that the problem of matching two relational structures can be posed as an equivalent problem of finding a maximal clique in a (derived) ?association graph.? Howev...
Marcello Pelillo, Kaleem Siddiqi, Steven W. Zucker
ACS
2008
15 years 6 months ago
Subobject Transformation Systems
Abstract Subobject transformation systems (sts) are proposed as a novel formal framework for the analysis of derivations of transformation systems based on the algebraic, double-pu...
Andrea Corradini, Frank Hermann, Pawel Sobocinski
CONCUR
2004
Springer
15 years 11 months ago
Characterizing EF and EX Tree Logics
We describe the expressive power of temporal branching time logics that use the modalities EX and EF. We give a forbidden pattern characterization of the tree languages definable...
Mikolaj Bojanczyk, Igor Walukiewicz