Sciweavers

2148 search results - page 138 / 430
» Multidimensional Data Modeling for Business Process Analysis
Sort
View
ICANNGA
2007
Springer
191views Algorithms» more  ICANNGA 2007»
15 years 9 months ago
Novel Multi-layer Non-negative Tensor Factorization with Sparsity Constraints
In this paper we present a new method of 3D non-negative tensor factorization (NTF) that is robust in the presence of noise and has many potential applications, including multi-way...
Andrzej Cichocki, Rafal Zdunek, Seungjin Choi, Rob...
145
Voted
ISASSCI
2001
15 years 4 months ago
Metadata Driven Data Transformation
The bottleneck of a data warehouse implementation is the ETL (extraction, transformation, and load) process, which carries out the initial population of the data warehouse and its...
Petr Aubrecht, Zdenek Kouba
97
Voted
ICASSP
2011
IEEE
14 years 7 months ago
A combined linear programming-maximum likelihood approach to radial velocity data analysis for extrasolar planet detection
In this paper we introduce a new technique for estimating the parameters of the Keplerian model commonly used in radial velocity data analysis for extrasolar planet detection. The...
Prabhu Babu, Petre Stoica
144
Voted
IEEEARES
2008
IEEE
15 years 9 months ago
Towards Comprehensive Requirement Analysis for Data Warehouses: Considering Security Requirements
—Data warehouse (DW) systems integrate data from heterogeneous sources and are used by decision makers to analyze the status and the development of an organization. Traditionally...
Emilio Soler, Veronika Stefanov, Jose-Norberto Maz...
APVIS
2009
15 years 4 months ago
Visual support for the understanding of simulation processes
Current visualization systems are typically based on the concept of interactive post-processing. This decoupling of data visualization from the process of data generation offers a...
Andrea Unger, Heidrun Schumann