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» A relational model of cognitive maps
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MICCAI
2007
Springer
14 years 10 months ago
Hyperspherical von Mises-Fisher Mixture (HvMF) Modelling of High Angular Resolution Diffusion MRI
A mapping of unit vectors onto a 5D hypersphere is used to model and partition ODFs from HARDI data. This mapping has a number of useful and interesting properties and we make a li...
Abhir Bhalerao, Carl-Fredrik Westin
PKDD
2007
Springer
193views Data Mining» more  PKDD 2007»
14 years 3 months ago
Learning Multi-dimensional Functions: Gas Turbine Engine Modeling
Abstract. This paper shows how multi-dimensional functions, describing the operation of complex equipment, can be learned. The functions are points in a shape space, each produced ...
Chris Drummond
ICDE
1998
IEEE
153views Database» more  ICDE 1998»
14 years 10 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...
ITCC
2005
IEEE
14 years 2 months ago
Using Formal Concept Analysis to Establish Model Dependencies
models evolve at different levels of abstraction, from the requirements specification to development of the source code. The models underlying this process are related and their ...
Igor Ivkovic, Kostas Kontogiannis
JACM
2010
120views more  JACM 2010»
13 years 4 months ago
The structure of inverses in schema mappings
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Alan Nash