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- Chris Groër, Bruce L. Golden, Edward A. Wasil
- Manufacturing & Service Operations Management
- 2009

In the small-package shipping industry (as in other industries), companies try to differentiate themselves by providing high levels of customer service. This can be accomplished in several ways… (More)

- Chris Groër, Bruce L. Golden, Edward A. Wasil
- INFORMS Journal on Computing
- 2011

The vehicle routing problem (VRP) is a difficult and well-studied combinatorial optimization problem. We develop a parallel algorithm for the VRP that combines a heuristic local search improvement… (More)

- Chris Groër, Bruce L. Golden, Edward A. Wasil
- Math. Program. Comput.
- 2010

The vehicle routing problem (VRP) is a difficult and well-studied combinatorial optimization problem. Real-world instances of the VRP can contain hundreds and even thousands of customer locations and… (More)

- Chris Groër, Blair D. Sullivan, Steve Poole
- Networks
- 2011

The R-MAT graph generator introduced by Chakrabarti, Faloutsos, and Zhan [6] offers a simple, fast method for generating very large directed graphs. These properties have made it a popular choice as… (More)

- Bhavesh Khemka, Ryan Friese, +8 authors Steve Poole
- IEEE Transactions on Computers
- 2015

We model an oversubscribed heterogeneous computing system where tasks arrive dynamically and a scheduler maps the tasks to machines for execution. The environment and workloads are based on those… (More)

- Chris Groër, Bruce L. Golden, Edward A. Wasil
- Networks
- 2009

Utility companies typically send their meter readers out each day of the billing cycle in order to determine each customer’s usage for the period. Customer churn requires the utility company to… (More)

- Blair D. Sullivan, Dinesh Weerapurage, Chris Groër
- 2013 IEEE International Symposium on Parallel…
- 2013

Although many NP-hard graph optimization problems can be solved in polynomial time on graphs of bounded tree-width, the adoption of these techniques into mainstream scientific computation has been… (More)

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- Luis Diego Briceno, Bhavesh Khemka, +5 authors Steve Poole
- 2011 IEEE International Symposium on Parallel and…
- 2011

This study considers a heterogeneous computing system and corresponding workload being investigated by the Extreme Scale Systems Center (ESSC) at Oak Ridge National Laboratory (ORNL). The ESSC is… (More)

- Chris Groër
- The American Mathematical Monthly
- 2003