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DAWAK
2005
Springer
14 years 3 months ago
Graph-Based Modeling of ETL Activities with Multi-level Transformations and Updates
Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous ...
Alkis Simitsis, Panos Vassiliadis, Manolis Terrovi...
COMBINATORICS
2002
88views more  COMBINATORICS 2002»
13 years 9 months ago
Graph Color Extensions: When Hadwiger's Conjecture and Embeddings Help
Suppose G is r-colorable and P V (G) is such that the components of G[P] are far apart. We show that any (r + s)-coloring of G[P] in which each component is s-colored extends to ...
Michael O. Albertson, Joan P. Hutchinson
ISPD
1999
ACM
89views Hardware» more  ISPD 1999»
14 years 2 months ago
VIA design rule consideration in multi-layer maze routing algorithms
—Maze routing algorithms are widely used for finding an optimal path in detailed routing for very large scale integration, printed circuit board and multichip modules In this pap...
Jason Cong, Jie Fang, Kei-Yong Khoo
VR
2003
IEEE
200views Virtual Reality» more  VR 2003»
14 years 3 months ago
The blue-c Distributed Scene Graph
In this paper we present a distributed scene graph architecture for use in the blue-c, a novel collaborative immersive virtual environment. We extend the widely used OpenGL Perfor...
Martin Näf, Edouard Lamboray, Oliver G. Staad...
AGTIVE
1999
Springer
14 years 2 months ago
Graph Algorithm Animation with Grrr
We discuss geometric positioning, highlighting of visited nodes and user defined highlighting that form the algorithm animation facilities in the Grrr graph rewriting programming l...
Peter J. Rodgers, Natalia Vidal