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2009
15 years 2 months ago
On Explicit Provenance Management in RDF/S Graphs
The notion of RDF Named Graphs has been proposed in order to assign provenance information to data described using RDF triples. In this paper, we argue that named graphs alone can...
Panagiotis Pediaditis, Giorgos Flouris, Irini Fund...
ALGORITHMICA
2011
14 years 11 months ago
Crossing Number and Weighted Crossing Number of Near-Planar Graphs
A nonplanar graph G is near-planar if it contains an edge e such that G−e is planar. The problem of determining the crossing number of a near-planar graph is exhibited from diffe...
Sergio Cabello, Bojan Mohar
ALGORITHMICA
2011
14 years 11 months ago
All-Pairs Bottleneck Paths in Vertex Weighted Graphs
Let G = (V, E, w) be a directed graph, where w : V → R is an arbitrary weight function defined on its vertices. The bottleneck weight, or the capacity, of a path is the smalles...
Asaf Shapira, Raphael Yuster, Uri Zwick
ISAAC
2009
Springer
131views Algorithms» more  ISAAC 2009»
15 years 10 months ago
A Certifying Algorithm for 3-Colorability of P5-Free Graphs
We provide a certifying algorithm for the problem of deciding whether a P5-free graph is 3-colorable by showing there are exactly six finite graphs that are P5-free and not 3-colo...
Daniel Bruce, Chính T. Hoàng, Joe Sa...
FOCS
2005
IEEE
15 years 10 months ago
A Characterization of the (natural) Graph Properties Testable with One-Sided Error
The problem of characterizing all the testable graph properties is considered by many to be the most important open problem in the area of property-testing. Our main result in thi...
Noga Alon, Asaf Shapira