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AINA
2005
IEEE
15 years 11 months 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 7 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
15 years 11 months 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 5 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