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FOCS
1999
IEEE
13 years 9 months ago
The Directed Steiner Network Problem is Tractable for a Constant Number of Terminals
We consider the DIRECTED STEINER NETWORK problem, also called the POINT-TO-POINT CONNECTION problem, where given a directed graph G and p pairs {(s1,t1),...,(sp,tp)} of nodes in t...
Jon Feldman, Matthias Ruhl
WEBI
2001
Springer
13 years 9 months ago
Average-Clicks: A New Measure of Distance on the World Wide Web
The pages and hyperlinks of the World Wide Web may be viewed as nodes and edges in a directed graph. In this paper, we propose a new definition of the distance between two pages, ...
Yutaka Matsuo, Yukio Ohsawa, Mitsuru Ishizuka
HYBRID
2001
Springer
13 years 9 months ago
Diagnosis of Physical Systems with Hybrid Models Using Parametrized Causality
Efficient algorithms exist for fault detection and isolation of physical systems based on functional redundancy. In a qualitative approach, this redundancy can be captured by a tem...
Pieter J. Mosterman
CIAC
2010
Springer
278views Algorithms» more  CIAC 2010»
13 years 10 months ago
Maximizing PageRank with new Backlinks
For a given node t in a directed graph G(VG, EG) and a positive integer k we study the problem of computing a set of k new links pointing to t – so called backlinks to t – prod...
Martin Olsen
PRICAI
2004
Springer
13 years 10 months ago
Creative 3D Designs Using Interactive Genetic Algorithm with Structured Directed Graph
We propose a methodology for representing artificial creatures like 3D flowers. Directed graph and Lindenmayer system (L-system) are commonly involved in AI-based creativity resear...
Hyeun-Jeong Min, Sung-Bae Cho
WG
2007
Springer
13 years 11 months ago
Characterization and Recognition of Digraphs of Bounded Kelly-width
Kelly-width is a parameter of directed graphs recently proposed by Hunter and Kreutzer as a directed analogue of treewidth. We give several alternative characterizations of direct...
Daniel Meister, Jan Arne Telle, Martin Vatshelle
AIRWEB
2007
Springer
13 years 11 months ago
Transductive Link Spam Detection
Web spam can significantly deteriorate the quality of search engines. Early web spamming techniques mainly manipulate page content. Since linkage information is widely used in we...
Dengyong Zhou, Chris Burges, Tao Tao
WCRE
2008
IEEE
13 years 11 months ago
Graph-Centric Tools for Understanding the Evolution and Relationships of Software Structures
We present a suite of small tools, implemented as a pipeline of text file manipulating scripts, that, on one hand, measure the evolution of any software structure that can be rep...
Yijun Yu, Michel Wermelinger
CEC
2008
IEEE
13 years 11 months ago
Path optimization for multiple objectives in directed graphs using genetic algorithms
Abstract— This paper presents a genetic algorithmic approach for finding efficient paths in directed graphs when optimizing multiple objectives. Its aim is to provide solutions...
Juan Rada, Ruben Parma, Wilmer Pereira
BIRTHDAY
2009
Springer
13 years 11 months ago
The Weak Gap Property in Metric Spaces of Bounded Doubling Dimension
We introduce the weak gap property for directed graphs whose vertex set S is a metric space of size n. We prove that, if the doubling dimension of S is a constant, any directed gra...
Michiel H. M. Smid