Sciweavers

19985 search results - page 309 / 3997
» Modelling Ecological Data
Sort
View
ISASSCI
2001
15 years 8 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
PAKDD
2005
ACM
184views Data Mining» more  PAKDD 2005»
16 years 4 days ago
Adjusting Mixture Weights of Gaussian Mixture Model via Regularized Probabilistic Latent Semantic Analysis
Mixture models, such as Gaussian Mixture Model, have been widely used in many applications for modeling data. Gaussian mixture model (GMM) assumes that data points are generated fr...
Luo Si, Rong Jin
ICICS
2009
Springer
16 years 1 months ago
Assessing Security Risk to a Network Using a Statistical Model of Attacker Community Competence
We propose a novel approach for statistical risk modeling of network attacks that lets an operator perform risk analysis using a data model and an impact model on top of an attack ...
Tomas Olsson
ICDM
2007
IEEE
132views Data Mining» more  ICDM 2007»
16 years 1 months ago
Granularity Conscious Modeling for Probabilistic Databases
The convergence of embedded sensor systems and stream query processing suggests an important role for database techniques, in managing data that only partially – and often inacc...
Eirinaios Michelakis, Daisy Zhe Wang, Minos N. Gar...
APIN
2008
305views more  APIN 2008»
15 years 6 months ago
A generalized model for financial time series representation and prediction
Abstract Traditional financial analysis systems utilize lowlevel price data as their analytical basis. For example, a decision-making system for stock predictions regards raw price...
Depei Bao