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DMDW
2001
194views Management» more  DMDW 2001»
13 years 9 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
JSYML
2007
79views more  JSYML 2007»
13 years 7 months ago
Models of non-well-founded sets via an indexed final coalgebra theorem
The paper uses the formalism of indexed categories to recover the proof of a standard final coalgebra theorem, thus showing existence of final coalgebras for a special class of ...
Federico De Marchi, Benno van den Berg
DAGM
2008
Springer
13 years 9 months ago
A Multiple Kernel Learning Approach to Joint Multi-class Object Detection
Most current methods for multi-class object classification and localization work as independent 1-vs-rest classifiers. They decide whether and where an object is visible in an imag...
Christoph H. Lampert, Matthew B. Blaschko
TCS
2008
13 years 7 months ago
Solving difference equations whose coefficients are not transcendental
We consider a large class of sequences, called admissible sequences, which are defined by systems of (possibly nonlinear) difference equations. A procedure for recursively enumera...
Manuel Kauers
EACL
1993
ACL Anthology
13 years 9 months ago
New Frontiers Beyond Context-Freeness: DI-Grammars And DI-Automata
A new class of formal languages will be defined the Distributed Index Languages (DI-languages). The grammar-formalism generating the new class - the DI-grammars - cover unbound de...
Peter Staudacher