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Improved Approximations for Buy-at-Bulk and Shallow-Light k-Steiner Trees and (k, 2)-Subgraph.

M. Reza KhaniMohammad R. Salavatipour
Published in: ISAAC (2011)
Keyphrases
  • steiner tree
  • minimum spanning tree
  • probabilistic model
  • neural network
  • social networks
  • shortest path