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STACS
2010
Springer
16 years 1 months ago
Treewidth Reduction for Constrained Separation and Bipartization Problems
We present a method for reducing the treewidth of a graph while preserving all the minimal s−t separators. This technique turns out to be very useful in the design of parameteriz...
Dániel Marx, Barry O'Sullivan, Igor Razgon
FOCS
2009
IEEE
16 years 1 months ago
Randomized Self-Assembly for Exact Shapes
— Working in Winfree’s abstract tile assembly model, we show that a constant-size tile assembly system can be programmed through relative tile concentrations to build an n × n...
David Doty
IPPS
2009
IEEE
16 years 1 months ago
Peer-to-Peer beyond file sharing: Where are P2P systems going?
Are P2P systems and applications here to stay? Or are they a bright meteor whose destiny is to disappear soon? In this paper we try to give a positive answer to the first questio...
Renato Lo Cigno, Tommaso Pecorella, Matteo Sereno,...
COSIT
2009
Springer
165views GIS» more  COSIT 2009»
16 years 1 months ago
To Be and Not To Be: 3-Valued Relations on Graphs
Spatial information requires models which allow us to answer ‘maybe’ to questions asking whether a location lies within a region. At the same time, models must account for data...
John G. Stell
SEMCO
2007
IEEE
16 years 24 days ago
Reliability of human annotation of semantic roles in noisy text
This paper addresses the question of how to obtain consistent semantic annotation on the basis of a set of noisy texts. Many potential realworld applications of semantic computing...
Derrick Higgins