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DGCI
2006
Springer
13 years 10 months ago
2006
Springer
In this paper, we address the problem of vectorization of binary images on irregular isothetic grids. The representation of graphical elements by lines is common in document analys...
CIAC
2006
Springer
13 years 10 months ago
2006
Springer
Complementing recent progress on classical complexity and polynomial-time approximability of feedback set problems in (bipartite) tournaments, we extend and partially improve fixed...
NETWORKS
2010
13 years 5 months ago
2010
The input to an Inverse Shortest Path Lengths Problem (ISPL) consists of a graph G with arc weights, and a collection of source-sink pairs with prescribed distances that do not ne...
AH
2006
Springer
14 years 21 days ago
2006
Springer
This research outline refers to the assessment of motivation in online learning environments. It includes a presentation of previous approaches, most of them based on Keller’s AR...
JCO
2010
13 years 5 months ago
2010
Given a directed graph G = (N, A) with arc capacities uij and a minimum cost flow problem defined on G, the capacity inverse minimum cost flow problem is to find a new capacit...