Sciweavers

2446 search results - page 109 / 490
» Choiceless Polynomial Time
Sort
View
112
Voted
ISAAC
2005
Springer
122views Algorithms» more  ISAAC 2005»
15 years 6 months ago
Fast k-Means Algorithms with Constant Approximation
In this paper we study the k-means clustering problem. It is well-known that the general version of this problem is NP-hard. Numerous approximation algorithms have been proposed fo...
Mingjun Song, Sanguthevar Rajasekaran
85
Voted
WEBDB
2005
Springer
132views Database» more  WEBDB 2005»
15 years 6 months ago
On the role of composition in XQuery
Nonrecursive XQuery is known to be hard for nondeterministic exponential time. Thus it is commonly believed that any algorithm for evaluating XQuery has to require exponential amo...
Christoph Koch
83
Voted
VLSID
1999
IEEE
64views VLSI» more  VLSID 1999»
15 years 5 months ago
Exact Output Response Computation of RC Interconnects under Polynomial Input Waveforms
Accurate output response computation of RC interconnects under various input excitations is a key issue in deep submicron delay analysis.In this paper,we present an exact analysis...
Satrajit Gupta, Lalit M. Patnaik
AAIM
2007
Springer
188views Algorithms» more  AAIM 2007»
15 years 7 months ago
Approximation Algorithms for the Graph Orientation Minimizing the Maximum Weighted Outdegree
Given an undirected graph G = (V, E) and a weight function w : E → Z+ , we consider the problem of orienting all edges in E so that the maximum weighted outdegree among all verti...
Yuichi Asahiro, Jesper Jansson, Eiji Miyano, Hirot...
COMPGEOM
2004
ACM
15 years 6 months ago
An energy-driven approach to linkage unfolding
We present a new algorithm for unfolding planar polygonal linkages without self-intersection based on following the gradient flow of a “repulsive” energy function. This algor...
Jason H. Cantarella, Erik D. Demaine, Hayley N. Ib...