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AMAI
2002
Springer
14 years 11 months ago
Generalizations of Watched Literals for Backtracking Search
The technique of watching two literals per clause to determine when a clause becomes a unit clause was introduced recently in the Chaff satisfiability program. That program does n...
Allen Van Gelder
SIAMCOMP
1998
141views more  SIAMCOMP 1998»
14 years 11 months ago
Randomized Data Structures for the Dynamic Closest-Pair Problem
We describe a new randomized data structure, the sparse partition, for solving the dynamic closest-pair problem. Using this data structure the closest pair of a set of n points in ...
Mordecai J. Golin, Rajeev Raman, Christian Schwarz...
STOC
2010
ACM
193views Algorithms» more  STOC 2010»
15 years 4 months ago
Maintaining a large matching and a small vertex cover
We consider the problem of maintaining a large matching and a small vertex cover in a dynamically changing graph. Each update to the graph is either an edge deletion or an edge in...
Krzysztof Onak, Ronitt Rubinfeld
TCS
1998
14 years 11 months ago
A Uniform Approach to Semi-Dynamic Problems on Digraphs
In this paper we propose a uniform approach to deal with incremental problems on digraphs and with decremental problems on dags generalizing a technique used by La Poutr´e and va...
Serafino Cicerone, Daniele Frigioni, Umberto Nanni...
CORR
2010
Springer
175views Education» more  CORR 2010»
14 years 8 months ago
Improving the Performance of maxRPC
Max Restricted Path Consistency (maxRPC) is a local consistency for binary constraints that can achieve considerably stronger pruning than arc consistency. However, existing maxRPC...
Thanasis Balafoutis, Anastasia Paparrizou, Kostas ...