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DMDW
2001
194views Management» more  DMDW 2001»
15 years 8 months ago
Logical Multidimensional Database Design for Ragged and Unbalanced Aggregation
Research on logical design of OLAP cubes has tended to assume that the rollup hierarchy in a cube dimension takes the form of a balanced tree. However, experience from industry in...
Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch
CISST
2003
171views Hardware» more  CISST 2003»
15 years 8 months ago
Image Registration and Conflation Based on Structural Characteristics
An approach to conflation/registration of images that does not depend on identifying common points is being developed. It uses the method of algebraic invariants to provide a comm...
Boris Kovalerchuk, William Sumner, James L. Schwin...
IMAGING
2004
15 years 8 months ago
Tensor Based Feature Detection for Color Images
Extending differential-based operations to color images is hindered by the multi-channel nature of color images. The derivatives in different channels can point in opposite direct...
Joost van de Weijer, Theo Gevers
162
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EFDBS
2003
15 years 8 months ago
Implementing Mediators through Virtual Updateable Views
Mediators are considered basic architectural units for integration of distributed, heterogeneous information resources. In the paper we propose powerful virtual updateable views as...
Hanna Kozankiewicz, Jacek Leszczylowski, Kazimierz...
FLAIRS
2003
15 years 8 months ago
Logical Identities Applied to Knowledge Discovery in Databases
Data mining is the process of extracting implicit, previously unknown, and potentially useful information from data in databases. It is widely recognized as a useful tool for deci...
James P. Buckley, Jennifer Seitzer, Yongzhi Zhang,...