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144
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ECAI
2010
Springer
15 years 4 months ago
Propagation of Opinions in Structural Graphs
Trust and reputation measures are crucial in distributed open systems where agents need to decide whom or what to choose. Existing work has mainly focused on the reputation of sing...
Nardine Osman, Carles Sierra, Jordi Sabater-Mir
119
Voted
JGAA
2006
108views more  JGAA 2006»
15 years 3 months ago
Planar embeddability of the vertices of a graph using a fixed point set is NP-hard
Let G = (V, E) be a graph with n vertices and let P be a set of n points in the plane. We show that deciding whether there is a planar straight-line embedding of G such that the v...
Sergio Cabello
ICCS
2010
Springer
15 years 2 months ago
Default Conceptual Graph Rules, Atomic Negation and Tic-Tac-Toe
Abstract. In this paper, we explore the expressivity of default CG rules (a CGoriented subset of Reiter’s default logics) through two applications. In the first one, we show tha...
Jean-François Baget, Jérôme Fo...
FQAS
2009
Springer
127views Database» more  FQAS 2009»
15 years 10 months ago
Finding Top-k Approximate Answers to Path Queries
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...
123
Voted
ESWS
2006
Springer
15 years 7 months ago
An Iterative Algorithm for Ontology Mapping Capable of Using Training Data
We present a new iterative algorithm for ontology mapping where we combine standard string distance metrics with a structural similarity measure that is based on a vector represent...
Andreas Heß