Title

Restricted shortest path in temporal graphs

Document Type

Conference Proceeding

Publication Date

1-1-2015

Abstract

The restricted shortest path (RSP) problem on directed networks is a well-studied problem, and has a large number of applications such as in Quality of Service routing. The problem is known to be NP-hard. In certain cases, however, the network is not static i.e., edge parameters vary over time. In light of this, we extend the RSP problem for general networks to that for temporal networks. We present several exact algorithms for this problem, one of which uses heuristics, and is similar to the A∗ algorithm. We experimentally evaluate these algorithms by simulating them on both existing temporal networks, and synthetic ones. Furthermore, based on one of the pseudo-polynomial exact algorithms, we derive a fully polynomial time approximation scheme.

Publication Source (Journal or Book title)

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

First Page

13

Last Page

27

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