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» Testing for Concise Representations
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SSPR
2004
Springer
14 years 3 months ago
Matching Concavity Trees
Concavity trees are structures for 2-D shape representation. In this paper, we present a new recursive method for concavity tree matching that returns the distance between two attr...
Ossama El Badawy, Mohamed Kamel
GLVLSI
2002
IEEE
160views VLSI» more  GLVLSI 2002»
14 years 3 months ago
Computing walsh, arithmetic, and reed-muller spectral decision diagrams using graph transformations
Spectral techniques have found many applications in computeraided design, including synthesis, verification, and testing. Decision diagram representations permit spectral coeffici...
Whitney J. Townsend, Mitchell A. Thornton, Rolf Dr...
ICPR
2002
IEEE
14 years 3 months ago
Determining a Suitable Metric when Using Non-Negative Matrix Factorization
The Non-negative Matrix Factorization technique (NMF) has been recently proposed for dimensionality reduction. NMF is capable to produce a region- or partbased representation of o...
David Guillamet, Jordi Vitrià
FUZZY
2001
Springer
123views Fuzzy Logic» more  FUZZY 2001»
14 years 2 months ago
Analyzing Directed Acyclic Graph Recombination
This work studies the edge-based representation of directed acyclic graphs, as well as the properties of recombination operators working on it. It is shown that this representation...
Carlos Cotta, José M. Troya
VLDB
2001
ACM
131views Database» more  VLDB 2001»
14 years 2 months ago
Change-Centric Management of Versions in an XML Warehouse
: We present a change-centric method to manage versions in a Web WareHouse of XML data. The starting points is a sequence of snapshots of XML documents we obtain from the web. By r...
Amélie Marian, Serge Abiteboul, Gregory Cob...