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ALGORITHMICA
2011
15 years 1 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
LICS
2008
IEEE
16 years 11 days ago
The Quest for a Logic Capturing PTIME
The question of whether there is a logic that captures polynomial time is the central open problem in descriptive complexity theory. In my talk, I will review the question and the...
Martin Grohe
ICALP
2007
Springer
16 years 4 days ago
Parameterized Approximability of the Disjoint Cycle Problem
Abstract. We give an fpt approximation algorithm for the directed vertex disjoint cycle problem. Given a directed graph G with n vertices and a positive integer k, the algorithm co...
Martin Grohe, Magdalena Grüber
DIAL
2006
IEEE
103views Image Analysis» more  DIAL 2006»
16 years 1 days ago
Multi-Queue Merging Scheme And Its Application in Arabic Script Segmentation
It is an important topic for segmentation on how to merge the over-segmented subimages of characters into integral characters. The conventional character segmentation has been mos...
Pingping Xiu, Liangrui Peng, Xiaoqing Ding
APVIS
2007
15 years 7 months ago
Visualisation and analysis of the internet movie database
In this paper, we present a case study for the visualisation and analysis of large and complex temporal multivariate networks derived from the Internet Movie DataBase (IMDB). Our ...
Adel Ahmed, Vladimir Batagelj, Xiaoyan Fu, Seok-He...