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TON
2010
141views more  TON 2010»
14 years 10 months ago
Weighted spectral distribution for internet topology analysis: theory and applications
Abstract—Comparing graphs to determine the level of underlying structural similarity between them is a widely encountered problem in computer science. It is particularly relevant...
Damien Fay, Hamed Haddadi, Andrew Thomason, Andrew...
148
Voted
STOC
2007
ACM
239views Algorithms» more  STOC 2007»
16 years 2 days ago
Approximating minimum bounded degree spanning trees to within one of optimal
In the MINIMUM BOUNDED DEGREE SPANNING TREE problem, we are given an undirected graph with a degree upper bound Bv on each vertex v, and the task is to find a spanning tree of min...
Mohit Singh, Lap Chi Lau
GIS
1995
ACM
15 years 3 months ago
A Window Retrieval Algorithm for Spatial Databases Using Quadtrees
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
Walid G. Aref, Hanan Samet
80
Voted
ICIAR
2005
Springer
15 years 5 months ago
Compressing 2-D Shapes Using Concavity Trees
Concavity trees have been known for quite some time as structural descriptors of 2-D shape; however, they haven’t been explored further until recently. This paper shows how 2-D s...
Ossama El Badawy, Mohamed S. Kamel
WABI
2005
Springer
120views Bioinformatics» more  WABI 2005»
15 years 5 months ago
Multiple Structural RNA Alignment with Lagrangian Relaxation
In contrast to proteins, many classes of functionally related RNA molecules show a rather weak sequence conservation but instead a fairly well conserved secondary structure. Hence ...
Markus Bauer, Gunnar W. Klau, Knut Reinert