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» Positive Versions of Polynomial Time
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JCB
2002
108views more  JCB 2002»
14 years 9 months ago
Fast and Accurate Phylogeny Reconstruction Algorithms Based on the Minimum-Evolution Principle
This paper investigates the standard ordinary least-squares version 24 and the balanced version 20 of the minimum evolution principle. For the standard version, we provide a greedy...
Richard Desper, Olivier Gascuel
ADAEUROPE
2003
Springer
15 years 3 months ago
Charles: A Data Structure Library for Ada95
ontainer. In particular, an iterator abstracts away differences in specific container types, allowing you to view the collection simply as a sequence of items. A generic algorith...
Matthew Heaney
POPL
2003
ACM
15 years 10 months ago
New results on the computability and complexity of points - to analysis
Given a program and two variables p and q, the goal of points-to analysis is to check if p can point to q in some execution of the program. This well-studied problem plays a cruci...
Venkatesan T. Chakaravarthy
COMPGEOM
2003
ACM
15 years 3 months ago
Local polyhedra and geometric graphs
We introduce a new realistic input model for geometric graphs and nonconvex polyhedra. A geometric graph G is local if (1) the longest edge at every vertex v is only a constant fa...
Jeff Erickson
FOCS
1998
IEEE
15 years 2 months ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello