Sciweavers

8331 search results - page 221 / 1667
» Data Aggregation Sets in Adaptive Data Model
Sort
View
IPPS
1997
IEEE
15 years 10 months ago
d-Dimensional Range Search on Multicomputers
The range tree is a fundamental data structure for multidimensional point sets, and as such, is central in a wide range of geometric anddatabaseapplications. Inthis paper, we desc...
Afonso Ferreira, Claire Kenyon, Andrew Rau-Chaplin...
BMEI
2008
IEEE
16 years 1 months ago
A Retrospective Comparative Study of Three Data Modelling Techniques in Anticoagulation Therapy
Three types of data modelling technique are applied retrospectively to individual patients’ anticoagulation therapy data to predict their future levels of anticoagulation. The r...
Simon McDonald, Costas S. Xydeas, Plamen P. Angelo...
ICDE
2009
IEEE
690views Database» more  ICDE 2009»
16 years 1 months ago
A Model for Data Leakage Detection
— We study the following problem: A data distributor has given sensitive data to a set of supposedly trusted agents (third parties). Some of the data is leaked and found in an un...
Panagiotis Papadimitriou 0002, Hector Garcia-Molin...
DOLAP
1999
ACM
15 years 11 months ago
Updating OLAP Dimensions
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
ICMLA
2010
15 years 4 months ago
Classification Models with Global Constraints for Ordinal Data
Ordinal classification is a form of multi-class classification where there is an inherent ordering between the classes, but not a meaningful numeric difference between them. Althou...
Jaime S. Cardoso, Ricardo Sousa