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» On the Crossing Spanning Tree Problem
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WADS
2009
Springer
226views Algorithms» more  WADS 2009»
15 years 10 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
15 years 10 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
14 years 11 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»
15 years 8 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...
138
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EUC
2006
Springer
15 years 7 months 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