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Restricted Shortest Path in Temporal Graphs

  • Sudip Biswas
  • Arnab GangulyEmail author
  • Rahul Shah
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9261)

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.

Keywords

Arrival Time Start Time Exact Algorithm Short Path Problem Temporal Network 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.School of Electrical Engineering and Computer ScienceLouisiana State UniversityBaton RougeUSA

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