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» On the graph isomorphism problem
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KDD
2009
ACM
182views Data Mining» more  KDD 2009»
16 years 7 months ago
Scalable graph clustering using stochastic flows: applications to community discovery
Algorithms based on simulating stochastic flows are a simple and natural solution for the problem of clustering graphs, but their widespread use has been hampered by their lack of...
Venu Satuluri, Srinivasan Parthasarathy
DAM
2011
15 years 1 months ago
Minimum sum set coloring of trees and line graphs of trees
In this paper, we study the Minimum Sum Set Coloring (MSSC) problem which consists in assigning a set of x(v) positive integers to each vertex v of a graph so that the intersectio...
Flavia Bonomo, Guillermo Durán, Javier Mare...
ISSAC
2005
Springer
119views Mathematics» more  ISSAC 2005»
16 years 14 days ago
Computing the multiplicity structure in solving polynomial systems
This paper presents a duality analysis and an algorithm for computing the multiplicity structure of a zero to a polynomial system, while the zero can be exact or approximate with ...
Barry H. Dayton, Zhonggang Zeng
177
Voted
ISSAC
2004
Springer
93views Mathematics» more  ISSAC 2004»
16 years 10 days ago
Finding the smallest image of a set
We describe an algorithm for finding a canonical image of a set of points under the action of a permutation group. Specifically if we order images by sorting them and ordering t...
Steve Linton
218
Voted
DEXAW
2007
IEEE
124views Database» more  DEXAW 2007»
15 years 11 months ago
XML Query Optimisation: Specify your Selectivity
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
Sven Hartmann, Sebastian Link