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Welcome to the DSpace digital repository at Robert Morris University. DSpace is a digital service that collects, preserves, and distributes digital material. Repositories are important tools for preserving an organization's legacy; they facilitate digital preservation and scholarly communication.

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Recently Added

  • Mohamed, Nader; Al-Jaroodi, Jameela; Lazarova-Molnar, Sanja (IEEE Acess, 2019-02)
    Factories use many manufacturing processes that consume a lot of energy and highly contribute to greenhouse gas emissions. The introduction of the concept of Industrial Internet in USA and Industry 4.0 in Europe offers ...
  • Erdem, Ergin; Johson, Christopher; shim, Sang Ho; Williams, Jordan (ASEE, 2018-06)
    We develop case study materials for the future of supply chain logistics; Truck-Drone two tier delivery network design. FedEx Headquarter (HQ) in a city was used as the networks root node or central distribution center ...
  • Erdem, Ergin; Gahler, Kenneth; Kim, Eunseok; Shim, Sang Ho (ASEE, 2018)
    The convex recoloring problem is a clustering problem to partition nodes of a network into connected subnetworks. We develop a hybrid rule combining the Dantzig’s Rule and the Steepest Edge Rule to produce columns which ...
  • Cheng, Eddie; Li, Li; Liptak, Laszlo; Shim, Sang Ho; Steffy, Daniel E. (Graphs and Combinatorics, 2017)
    In this paper we work to classify which of the (n, k)-star graphs, denoted by Sn,k , are Cayley graphs. Although the complete classification is left open, we derive infinite and non-trivial classes of both Cayley and ...
  • Shim, Sang Ho; Chopra, Sunil; Cao, Wenwei (Mathematical Programming, 2017)
    In this paper we identify strong facet defining inequalities for the master knapsack polytope. Our computational experiments for small master knapsack problems show that 1 / k-facets for small values of k ( k≤4 ) are ...

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