763 search results - page 34 / 153 » Engineering Shortest Path Algorithms |
CATA
2004
13 years 9 months ago
2004
We investigate a variant of the Fixed Charge Shortest Paths problem which enumerates the sequence of optimal solutions that arise as the focus shifts from the fixed cost parameter...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
The spatial and temporal databases have been studied widely and intensively over years. In this paper, we study how to answer queries of finding the best departure time that minim...
AICCSA
2006
IEEE
14 years 1 months ago
2006
IEEE
Multi-constraint quality-of-service routing has become increasingly important as the Internet evolves to support real-time services. Restricted shortest path (RSP) is one of the i...
MICS
2008
13 years 7 months ago
2008
Multi-level overlay graphs represent a speed-up technique for shortest paths computation which is based on a hierarchical decomposition of a weighted directed graph G. They have b...
JAL
2007
13 years 7 months ago
2007
Abstract. We consider the problem of estimating the length of a shortest path in a DAG whose edge lengths are known only approximately but can be determined exactly at a cost. Init...