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DAM
2002
67views more  DAM 2002»
13 years 10 months ago
Optimal arrangement of data in a tree directory
We define the decision problem data arrangement, which involves arranging the vertices of a graph G at the leaves of a d-ary tree so that a weighted sum of the distances between p...
Malwina J. Luczak, Steven D. Noble
TCBB
2011
13 years 5 months ago
Comparison of Galled Trees
Galled trees, directed acyclic graphs that model evolutionary histories with isolated hybridization events, have become very popular due to both their biological significance and ...
Gabriel Cardona, Mercè Llabrés, Fran...
COMPGEOM
2004
ACM
14 years 3 months ago
Computing the visibility graph of points within a polygon
We study the problem of computing the visibility graph defined by a set P of n points inside a polygon Q: two points p, q ∈ P are joined by an edge if the segment pq ⊂ Q. Ef...
Boaz Ben-Moshe, Olaf Hall-Holt, Matthew J. Katz, J...
CONCUR
2006
Springer
14 years 1 months ago
Some Remarks on Definability of Process Graphs
We propose the notions of "density" and "connectivity" of infinite process graphs and investigate them in the context of the wellknown process algebras BPA and ...
Clemens Grabmayer, Jan Willem Klop, Bas Luttik
AAAI
2007
14 years 11 days ago
GRIN: A Graph Based RDF Index
RDF (“Resource Description Framework”) is now a widely used World Wide Web Consortium standard. However, methods to index large volumes of RDF data are still in their infancy....
Octavian Udrea, Andrea Pugliese, V. S. Subrahmania...