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ER
2006
Springer
112views Database» more  ER 2006»
15 years 10 months ago
A DAG Comparison Algorithm and Its Application to Temporal Data Warehousing
Abstract. We present a new technique for discovering and representing structural changes between two versions of a directed acyclic graph (DAG). Motivated by the necessity of chang...
Johann Eder, Karl Wiggisser
CORR
2010
Springer
320views Education» more  CORR 2010»
15 years 6 months ago
An algorithm for the principal component analysis of large data sets
Recently popularized randomized methods for principal component analysis (PCA) efficiently and reliably produce nearly optimal accuracy -- even on parallel processors -- unlike the...
Nathan Halko, Per-Gunnar Martinsson, Yoel Shkolnis...
CEC
2008
IEEE
16 years 26 days ago
A Quantum-inspired Genetic Algorithm for data clustering
—The conventional K-Means clustering algorithm must know the number of clusters in advance and the clustering result is sensitive to the selection of the initial cluster centroid...
Jing Xiao, YuPing Yan, Ying Lin, Ling Yuan, Jun Zh...
ICWN
2008
15 years 7 months ago
Threshold Based Data Aggregation Algorithm To Detect Rainfall Induced Landslides
Landslides are one of the environmental disasters that cause massive destruction of human life and infrastructure. Real time monitoring of a landslide prone areas are necessary to...
Ramesh Maneesha, P. Ushakumari
COMPGEOM
2004
ACM
15 years 11 months ago
Towards in-place geometric algorithms and data structures
For many geometric problems, there are efficient algorithms that use surprisingly very little extra space other than the given array holding the input. For many geometric query pr...
Hervé Brönnimann, Timothy M. Chan, Eri...