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HICSS
2003
IEEE
105views Biometrics» more  HICSS 2003»
13 years 9 months ago
Experimental Validation of Multidimensional Data Models Metrics
Multidimensional data models are playing an increasingly prominent role in support of day-to-day business decisions. Due to their significance in taking strategic decisions it is ...
Manuel A. Serrano, Coral Calero, Mario Piattini
DMDW
2001
232views Management» more  DMDW 2001»
13 years 6 months ago
Towards Data Warehouse Quality Metrics
Organizations are adopting datawarehouses to manage information efficiently as "the" main organizational asset. It is essential that we can assure the information qualit...
Coral Calero, Mario Piattini, Carolina Pascual, Ma...
PODS
1998
ACM
152views Database» more  PODS 1998»
13 years 8 months ago
A Cost Model for Similarity Queries in Metric Spaces
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
Paolo Ciaccia, Marco Patella, Pavel Zezula
ICDE
2009
IEEE
125views Database» more  ICDE 2009»
13 years 2 months ago
Metric Functional Dependencies
When merging data from various sources, it is often the case that small variations in data format and interpretation cause traditional functional dependencies (FDs) to be violated,...
Nick Koudas, Avishek Saha, Divesh Srivastava, Sure...
BMCBI
2008
132views more  BMCBI 2008»
13 years 4 months ago
Computational cluster validation for microarray data analysis: experimental assessment of Clest, Consensus Clustering, Figure of
Background: Inferring cluster structure in microarray datasets is a fundamental task for the so-called -omic sciences. It is also a fundamental question in Statistics, Data Analys...
Raffaele Giancarlo, Davide Scaturro, Filippo Utro