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DAM
2000
86views more  DAM 2000»
15 years 4 months ago
A supertree method for rooted trees
Abstract. The amalgamation of leaf-labelled (phylogenetic) trees on overlapping leaf sets into one (super)tree is a central problem in several areas of classification, particularly...
Charles Semple, Mike A. Steel
DBPL
2007
Springer
119views Database» more  DBPL 2007»
15 years 10 months ago
Conjunctive Query Containment over Trees
Abstract. The complexity of containment and satisfiability of conjunctive queries over finite, unranked, labeled trees is studied with respect to the axes Child, NextSibling, the...
Henrik Björklund, Wim Martens, Thomas Schwent...
SAMT
2007
Springer
123views Multimedia» more  SAMT 2007»
15 years 10 months ago
Region-based Annotation Tool using Partition Trees
Abstract—This paper presents an annotation tool for the manual and region-based annotation of still images. The selection of regions is achieved by navigating through a Partition...
Xavier Giro, Neus Camps, Ferran Marqués
APLAS
2007
ACM
15 years 8 months ago
Adjunct Elimination in Context Logic for Trees
Abstract. We study adjunct-elimination results for Context Logic applied to trees, following previous results by Lozes for Separation Logic and Ambient Logic. In fact, it is not po...
Cristiano Calcagno, Thomas Dinsdale-Young, Philipp...
SOFSEM
2000
Springer
15 years 8 months ago
Simplified Witness Tree Arguments
Abstract. In this paper we survey some results concerning balls-intobins-games and the power of two choices. We present a unified and rather elementary analysis for models in the p...
Thomas Schickinger, Angelika Steger