Sciweavers

365 search results - page 33 / 73
» On the Crossing Spanning Tree Problem
Sort
View
WADS
2009
Springer
226views Algorithms» more  WADS 2009»
14 years 3 months ago
Online Priority Steiner Tree Problems
Abstract. A central issue in the design of modern communication networks is the provision of Quality-of-Service (QoS) guarantees at the presence of heterogeneous users. For instanc...
Spyros Angelopoulos
ICIP
2008
IEEE
14 years 3 months ago
Augmented tree partitioning for interactive image segmentation
In this paper, we propose a new fast semi-supervised image segmentation method based on augmented tree partitioning. Unlike many existing methods that use a graph structure to mod...
Yangqing Jia, Jingdong Wang, Changshui Zhang, Xian...
COLING
2010
13 years 4 months ago
Notes on the Evaluation of Dependency Parsers Obtained Through Cross-Lingual Projection
In this paper we address methodological issues in the evaluation of a projectionbased framework for dependency parsing in which annotations for a source language are transfered to...
Kathrin Spreyer
STOC
2010
ACM
261views Algorithms» more  STOC 2010»
14 years 1 months ago
An Improved LP-based Approximation for Steiner Tree
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...
EUC
2006
Springer
14 years 21 days ago
Cross-Layer Duty Cycle Scheduling with Data Aggregation Routing in Wireless Sensor Networks
Abstract. Well-scheduled communications, in conjunction with the aggregation of data reduce the energy waste on idle listening and redundant transmissions. In addition, the adjusta...
Yean-Fu Wen, Frank Yeong-Sung Lin