604 search results - page 33 / 121 » The Hardness of Metric Labeling |
ACL
2007
13 years 9 months ago
2007
We propose a new, simple model for the automatic induction of selectional preferences, using corpus-based semantic similarity metrics. Focusing on the task of semantic role labeli...
SODA
2001
ACM
13 years 9 months ago
2001
ACM
In the 0-extension problem, we are given a weighted graph with some nodes marked as terminals and a semimetric on the set of terminals. Our goal is to assign the rest of the nodes ...
CIAC
2010
Springer
13 years 11 months ago
2010
Springer
In this paper, we consider variants of the traveling salesman problem with precedence constraints. We characterize hard input instances for Christofides' algorithm and Hoogeve...
ESA
2008
Springer
13 years 9 months ago
2008
Springer
Metric Labeling problems have been introduced as a model for understanding noisy data with pair-wise relations between the data points. One application of labeling problems with pa...
PODC
2005
ACM
14 years 1 months ago
2005
ACM
We consider four problems on distance estimation and object location which share the common flavor of capturing global information via informative node labels: low-stretch routin...