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AINA
2005
IEEE
16 years 13 days ago
Dynamical Construction of a Core-Based Group-Shared Multicast Tree in Mobile Ad Hoc Networks
A core-based group-shared multicast tree is a shortest path tree rooted at core node that distributes packets to and from all group members. Traditionally, the bandwidth cost cons...
Bing-Hong Liu, Ming-Jer Tsai, Wei-Chei Ko
STOC
2010
ACM
261views Algorithms» more  STOC 2010»
15 years 11 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...
ICDE
2007
IEEE
122views Database» more  ICDE 2007»
16 years 8 months ago
Put a Tree Pattern in Your Algebra
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...
George A. Mihaila, Jérôme Simé...
ICCS
2004
Springer
16 years 6 days ago
An Incremental Editor for Dynamic Hierarchical Drawing of Trees
We present an incremental tree editor based on algorithms for manipulating shape functions. The tree layout is hierarchical, left-to-right. Nodes of variable size and shape are sup...
David Workman, Margaret Bernard, Steven Pothoven
ALGORITHMICA
1999
112views more  ALGORITHMICA 1999»
15 years 6 months ago
Suffix Trees on Words
We discuss an intrinsic generalization of the suffix tree, designed to index a string of length n which has a natural partitioning into m multicharacter substrings or words. This ...
Arne Andersson, N. Jesper Larsson, Kurt Swanson