Sciweavers

2566 search results - page 11 / 514
» The Online Median Problem
Sort
View
JUCS
2002
131views more  JUCS 2002»
13 years 7 months ago
Finding Median Partitions Using Information-Theoretical-Based Genetic Algorithms
: In a database with categorical attributes, each attribute defines a partition whose classes can be regarded as natural clusters of rows. In this paper we focus on finding a parti...
Dana Cristofor, Dan A. Simovici
STACS
2005
Springer
14 years 1 months ago
Approximate Range Mode and Range Median Queries
Abstract. We consider data structures and algorithms for preprocessing a labelled list of length n so that, for any given indices i and j we can answer queries of the form: What is...
Prosenjit Bose, Evangelos Kranakis, Pat Morin, Yih...
WAOA
2007
Springer
126views Algorithms» more  WAOA 2007»
14 years 1 months ago
Better Bounds for Incremental Medians
In the incremental version of the well-known k-median problem the objective is to compute an incremental sequence of facility sets F1 ⊆ F2 ⊆ .... ⊆ Fn, where each Fk contain...
Marek Chrobak, Mathilde Hurand
RECOMB
2007
Springer
14 years 8 months ago
Improving Inversion Median Computation Using Commuting Reversals and Cycle Information
In the past decade, genome rearrangements have attracted increasing attention from both biologists and computer scientists as a new type of data for phylogenetic analysis. Methods ...
William Arndt, Jijun Tang
KDD
2004
ACM
143views Data Mining» more  KDD 2004»
14 years 8 months ago
Incremental maintenance of quotient cube for median
Data cube pre-computation is an important concept for supporting OLAP(Online Analytical Processing) and has been studied extensively. It is often not feasible to compute a complet...
Cuiping Li, Gao Cong, Anthony K. H. Tung, Shan Wan...