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201
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ESA
2009
Springer
127views Algorithms» more  ESA 2009»
15 years 11 months ago
Geometric Spanners for Weighted Point Sets
Let (S, d) be a finite metric space, where each element p ∈ S has a non-negative weight w(p). We study spanners for the set S with respect to weighted distance function dw, wher...
Mohammad Ali Abam, Mark de Berg, Mohammad Farshi, ...
225
Voted
MFCS
2009
Springer
15 years 11 months ago
An Improved Approximation Bound for Spanning Star Forest and Color Saving
We present a simple algorithm for the maximum spanning star forest problem. We take advantage of the fact that the problem is a special case of complementary set cover and we adapt...
Stavros Athanassopoulos, Ioannis Caragiannis, Chri...
164
Voted
COCOON
2001
Springer
15 years 11 months ago
PC-Trees vs. PQ-Trees
A data structure called PC-tree is introduced as a generalization of PQ-trees. PC-trees were originally introduced in a planarity test of Shih and Hsu [7] where they represent par...
Wen-Lian Hsu
ICLP
2001
Springer
15 years 11 months ago
On a Tabling Engine That Can Exploit Or-Parallelism
Tabling is an implementation technique that improves the declarativeness and expressiveness of Prolog by reusing solutions to goals. Quite a few interesting applications of tabling...
Ricardo Rocha, Fernando M. A. Silva, Vítor ...
SAS
2001
Springer
15 years 11 months ago
Solving Regular Tree Grammar Based Constraints
This paper describes the precise speci cation, design, analysis, implementation, and measurements of an e cient algorithm for solving regular tree grammar based constraints. The p...
Yanhong A. Liu, Ning Li, Scott D. Stoller