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IDEAS
2007
IEEE
148views Database» more  IDEAS 2007»
15 years 6 months ago
Boundedness of Regular Path Queries in Data Integration Systems
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
Gösta Grahne, Alex Thomo
ACMSE
2006
ACM
15 years 5 months ago
Controlling the entire path of a virtual camera
This paper considers the design of a camera path through a scene. Given a valid set of keyframes for the camera, we want to build a camera path that avoids collisions with the sce...
Ross Ptacek, John K. Johnstone
ICRA
2000
IEEE
86views Robotics» more  ICRA 2000»
15 years 4 months ago
Randomized Planning for Short Inspection Paths
This paper addresses the following inspection problem: given a known workspace and a robot with vision capabilities compute a short path path for the robot such that each point on...
Tim Danner, Lydia E. Kavraki
STACS
2010
Springer
15 years 6 months ago
Log-space Algorithms for Paths and Matchings in k-trees
Reachability and shortest path problems are NL-complete for general graphs. They are known to be in L for graphs of tree-width 2 [14]. However, for graphs of treewidth larger than ...
Bireswar Das, Samir Datta, Prajakta Nimbhorkar
ANTSW
2010
Springer
14 years 6 months ago
Short and Robust Communication Paths in Dynamic Wireless Networks
Abstract. We consider the problem of finding and maintaining communication paths in wireless mobile ad hoc networks (MANET). We consider this problem as a bi-objective problem when...
Yoann Pigné, Frédéric Guinand