Sciweavers

1013 search results - page 86 / 203
» Comparisons Between Data Clustering Algorithms
Sort
View
VLDB
1991
ACM
145views Database» more  VLDB 1991»
14 years 16 days ago
A Taxonomy and Performance Model of Data Skew Effects in Parallel Joins
Recent work on parallel joins and data skew has concentrated on algorithm design without considering the causes and chara.cteristics of data. skew itself. Existming ana.lyt,ic mod...
Christopher B. Walton, Alfred G. Dale, Roy M. Jene...
KDD
2006
ACM
198views Data Mining» more  KDD 2006»
14 years 9 months ago
Event detection from evolution of click-through data
Previous efforts on event detection from the web have focused primarily on web content and structure data ignoring the rich collection of web log data. In this paper, we propose t...
Qiankun Zhao, Tie-Yan Liu, Sourav S. Bhowmick, Wei...
ICANNGA
2009
Springer
133views Algorithms» more  ICANNGA 2009»
14 years 3 months ago
Visualizing Time Series State Changes with Prototype Based Clustering
Modern process and condition monitoring systems produce a huge amount of data which is hard to analyze manually. Previous analyzing techniques disregard time information and concen...
Markus Pylvänen, Sami Äyrämö, ...
ICDE
2005
IEEE
122views Database» more  ICDE 2005»
14 years 2 months ago
Signature-based Filtering Techniques for Structural Joins of XML Data
Queries on XML documents typically combine selections on element contents, and, via path expressions, the structural relationships between tagged elements. Efficient support for ...
Huan Huo, Guoren Wang, Chuan Yang, Rui Zhou
GECCO
2006
Springer
168views Optimization» more  GECCO 2006»
14 years 21 days ago
Crossover gene selection by spatial location
Spatial based gene selection for division of chromosomes used by crossover operators is proposed for three-dimensional problems. This spatial selection is shown to preserve more g...
David M. Cherba, William F. Punch