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OTM
2009
Springer
15 years 11 months ago
A Model for Semantic Equivalence Discovery for Harmonizing Master Data
IT projects often face the challenge of harmonizing metadata and data so as to have a “single” version of the truth. Determining equivalency of multiple data instances against ...
Baba Piprani
HICSS
2003
IEEE
105views Biometrics» more  HICSS 2003»
15 years 10 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
IS
2008
15 years 4 months ago
From conceptual models to schemata: An object-process-based data warehouse construction method
Data warehouse modeling is a complex task, which involves knowledge of business processes of the domain of discourse, understanding the structural and behavioral system's con...
Dov Dori, Roman Feldman, Arnon Sturm
ICCS
2007
Springer
15 years 11 months ago
Data Assimilation in Multiscale Chemical Transport Models
In this paper we discuss variational data assimilation using the STEM atmospheric Chemical Transport Model. STEM is a multiscale model and can perform air quality simulations and p...
Lin Zhang, Adrian Sandu
DIS
2004
Springer
15 years 10 months ago
Mining Noisy Data Streams via a Discriminative Model
The two main challenges typically associated with mining data streams are concept drift and data contamination. To address these challenges, we seek learning techniques and models ...
Fang Chu, Yizhou Wang, Carlo Zaniolo