Sciweavers

2883 search results - page 73 / 577
» Algorithms for merged indexes
Sort
View
CIMCA
2005
IEEE
14 years 3 months ago
A New Evolutionary Algorithm for Determining the Optimal Number of Clusters
Estimating the optimal number of clusters for a dataset is one of the most essential issues in cluster analysis. An improper pre-selection for the number of clusters might easily ...
Wei Lu, Issa Traoré
IPPS
1997
IEEE
14 years 2 months ago
Work-Time Optimal K-Merge Algorithms on the PRAM
The k-merge problem, given a collection of k, (2  k  n), sorted sequences of total length n, asks to merge them into a new sorted sequence. The main contribution of this work is...
Tatsuya Hayashi, Koji Nakano, Stephan Olariu
ISAAC
2003
Springer
104views Algorithms» more  ISAAC 2003»
14 years 3 months ago
Deterministic Algorithm for the t-Threshold Set Problem
Given k sorted arrays, the t-Threshold problem, which is motivated by indexed search engines, consists of finding the elements which are present in at least t of the arrays. We pr...
Jérémy Barbay, Claire Kenyon
CPM
1999
Springer
127views Combinatorics» more  CPM 1999»
14 years 2 months ago
A New Indexing Method for Approximate String Matching
We present a new indexing method for the approximate string matching problem. The method is based on a su x tree combined with a partitioning of the pattern. We analyze the resulti...
Gonzalo Navarro, Ricardo A. Baeza-Yates
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
14 years 11 months ago
The Space Complexity of Processing XML Twig Queries Over Indexed Documents
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...
Mirit Shalem, Ziv Bar-Yossef