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ICALP
1991
Springer
15 years 10 months ago
The Expected Extremes in a Delaunay Triangulation
We give an expected-case analysis of Delaunay triangulations. To avoid edge effects we consider a unit-intensity Poisson process in Euclidean d-space, and then limit attention to...
Marshall W. Bern, David Eppstein, F. Frances Yao
ICPP
1987
IEEE
15 years 10 months ago
Performance of VLSI Engines for Lattice Computations
Abstract. We address the problem of designing and building efficient custom Vl.Sl-besed processors to do computations on large multi-dimensional lattices. The design tradeoffs for ...
Steven D. Kugelmass, Kenneth Steiglitz, Richard K....
VLDB
1987
ACM
106views Database» more  VLDB 1987»
15 years 10 months ago
A Dual Space Representation for Geometric Data
Thie paper presents a representation echeme for polyhedral objects in arbitrary dimensions. Each object ie represented as the algebraic sum of convex polyhedra (cells). Each cell ...
Oliver Günther, Eugene Wong
DOLAP
2005
ACM
15 years 8 months ago
Goal-oriented requirement analysis for data warehouse design
Several surveys indicate that a significant percentage of data warehouses fail to meet business objectives or are outright failures. One of the reasons for this is that requireme...
Paolo Giorgini, Stefano Rizzi, Maddalena Garzetti
ESWS
2008
Springer
15 years 8 months ago
Conceptual Clustering and Its Application to Concept Drift and Novelty Detection
Abstract. The paper presents a clustering method which can be applied to populated ontologies for discovering interesting groupings of resources therein. The method exploits a simp...
Nicola Fanizzi, Claudia d'Amato, Floriana Esposito