Better Approximation Algorithms for Grasp-and-Delivery Robot Routing Problems.
Aleksandar ShurbevskiHiroshi NagamochiYoshiyuki KarunoPublished in: IEICE Trans. Inf. Syst. (2013)
Keyphrases
- approximation algorithms
- routing problem
- np hard
- vehicle routing problem
- vertex cover
- special case
- minimum cost
- worst case
- routing algorithm
- exact algorithms
- vehicle routing
- vehicle routing problem with time windows
- constant factor
- primal dual
- set cover
- approximation ratio
- resource constraints
- randomized algorithms
- global optimization
- shortest path
- polynomial time approximation
- travel time
- traveling salesman problem
- disjoint paths