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SIAMDM
2002
85views more  SIAMDM 2002»
13 years 7 months ago
Finding a 2-Core of a Tree in Linear Time
Let T be an edge-weighted tree. A p-core of T is a set of p mutually disjoint paths in T that minimizes the sum of the distances of all vertices in T from any of the p paths, where...
Biing-Feng Wang
WADS
2007
Springer
106views Algorithms» more  WADS 2007»
14 years 1 months ago
Maximizing Maximal Angles for Plane Straight-Line Graphs
Let G = (S, E) be a plane straight-line graph on a finite point set S ⊂ R2 in general position. The incident angles of a point p ∈ S in G are the angles between any two edges ...
Oswin Aichholzer, Thomas Hackl, Michael Hoffmann, ...
PAKDD
2004
ACM
186views Data Mining» more  PAKDD 2004»
14 years 27 days ago
CMTreeMiner: Mining Both Closed and Maximal Frequent Subtrees
Abstract. Tree structures are used extensively in domains such as computational biology, pattern recognition, XML databases, computer networks, and so on. One important problem in ...
Yun Chi, Yirong Yang, Yi Xia, Richard R. Muntz
CORR
2011
Springer
169views Education» more  CORR 2011»
13 years 2 months ago
Upper Bounds for Maximally Greedy Binary Search Trees
At SODA 2009, Demaine et al. presented a novel connection between binary search trees (BSTs) and subsets of points on the plane. This connection was independently discovered by Der...
Kyle Fox
JSAC
2006
100views more  JSAC 2006»
13 years 7 months ago
An improved algorithm for optimal lightpath establishment on a tree topology
Routing and wavelength assignment (RWA) aims to assign the limited number of wavelengths in a wavelength-division multiplexed (WDM) optical network so as to achieve greater capacit...
Guoliang Xue, Weiyi Zhang, Jian Tang, Krishnaiyan ...