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WADS
2007
Springer
180views Algorithms» more  WADS 2007»
13 years 11 months ago
Spanners for Geometric Intersection Graphs
A ball graph is an intersection graph of a set of balls with arbitrary radii. Given a real number t > 1, we say that a subgraph G′ of a graph G is a t-spanner of G, if for eve...
Martin Fürer, Shiva Prasad Kasiviswanathan
ISSTA
2004
ACM
13 years 10 months ago
Optimal strategies for testing nondeterministic systems
This paper deals with testing of nondeterministic software systems. We assume that a model of the nondeterministic system is given by a directed graph with two kind of vertices: s...
Lev Nachmanson, Margus Veanes, Wolfram Schulte, Ni...
ROBOCUP
2004
Springer
122views Robotics» more  ROBOCUP 2004»
13 years 10 months ago
A Vision Based System for Goal-Directed Obstacle Avoidance
We present a complete system for obstacle avoidance for a mobile robot. It was used in the RoboCup 2003 obstacle avoidance challenge in the Sony Four Legged League. The system enab...
Jan Hoffmann, Matthias Jüngel, Martin Lö...
SWAT
2004
Springer
153views Algorithms» more  SWAT 2004»
13 years 10 months ago
Melding Priority Queues
We show that any priority queue data structure that supports insert, delete, and find-min operations in pq(n) time, when n is an upper bound on the number of elements in the prio...
Ran Mendelson, Robert Endre Tarjan, Mikkel Thorup,...