Mixed graph

Known as: Chain graph, Mixed graphs 
A mixed graph G = (V, E, A) is a mathematical object consisting of a set of vertices (or nodes) V, a set of (undirected) edges E, and a set of… (More)
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Papers overview

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2011
2011
It is well known that one way to improve the accuracy of a text retrieval system is to expand the original query with additional… (More)
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2011
2011
We introduce an approach for stable deployment of agents onto families of planar curves, namely, 1-D formations in 2-D space. The… (More)
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2009
2009
Directed acyclic graphs (DAGs) have been widely used as a representation of conditional independence in machine learning and… (More)
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2006
2006
We introduce priors and algorithms to perform Bayesian inference in Gaussian models defined by acyclic directed mixed graphs… (More)
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Highly Cited
2003
Highly Cited
2003
We consider acyclic directed mixed graphs, in which directed edges (x → y) and bi-directed edges (x ↔ y) may occur. A simple… (More)
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2002
2002
In this paper, we discuss some properties of relations between a mixed graph and its line graph, which are used to characterize… (More)
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2000
2000
The homomorphisms of oriented or undirected graphs, the oriented chromatic number, the relationship between acyclic coloring… (More)
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1997
1997
A mixed graph Go contains both undirected edges and directed arcs. A k-coloring of Go is an assignment to its vertices of… (More)
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Highly Cited
1996
Highly Cited
1996
Acyclic digraphs (ADGs) are widely used to describe dependences among variables in multivariate distributions. In particular, the… (More)
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Highly Cited
1988
Highly Cited
1988
Ahtract -Diagrams are widely used in several areas of computer wience, and their effectiveness is thoroughly recognized. One of… (More)
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