NEOS has been used extensively for a variety of applications, including modeling electricity markets, predicting global protein folding and training artificial neural networks.
Using flexible combinations of World Wide Web tools, remote procedure calls and email, researchers can access the NEOS server and have their optimization problems solved automatically, without installing software, downloading and linking code, or writing driver subroutines. Users of NEOS can obtain a solution in a matter of hours instead of days.
“Because of its ease of use and generality, NEOS has gained tremendous popularity,” said Jorge Moré, an Argonne Distinguished Fellow who has guided the development of NEOS since its inception a decade ago. In 1999, there were fewer than 18,000 submissions to NEOS. Today NEOS is the premier source of optimization technology on the Web for users of optimization software, with over 235,00 submissions in 2009.
Using the NEOS server is easy. The user selects a program, or “solver,” for a particular type of optimization problem. In order to help with the choice, an “optimization tree” provides suggestions, and each solver comes with sample problems and background information. Once the user has selected the solver, NEOS compiles all subroutines, links with the appropriate libraries, and carries out the necessary computations. The user is then sent the solution, along with various runtime statistics.
The two million milestone also reflects the growing use of the NEOS server by students and faculty in both undergraduate and graduate classes.
“By providing free access to the most recent and best optimization software, NEOS enables students to experiment with a broad variety of solvers and to attack problems substantially larger than typical classroom examples,” said Todd Munson, an Argonne computer scientist who has been an architect of NEOS. “This use provides a strong and lasting foundation for future optimization research.”
The NEOS team, consisting of Moré, Munson, Liz Dolan (a graduate student working at Argonne), and Bob Fourer (their colleague at Northwestern), won the prestigious Beale-Orchard-Hays Prize in 2003 for excellence in computational optimization. In presenting this prize, which is awarded only once every three years, the Mathematical Programming Society noted: “The NEOS Server has had a tremendous impact in the field of optimization. The influence of NEOS is such that in many applied fields the NEOS Server is synonymous with optimization.”
The NEOS Server is operated with support from DOE. For more information about NEOS, please visit the web site: www-neos.mcs.anl.gov.
Argonne National Laboratory seeks solutions to pressing national problems in science and technology. The nation's first national laboratory, Argonne conducts leading-edge basic and applied scientific research in virtually every scientific discipline. Argonne researchers work closely with researchers from hundreds of companies, universities, and federal, state and municipal agencies to help them solve their specific problems, advance America 's scientific leadership and prepare the nation for a better future. With employees from more than 60 nations, Argonne is managed by UChicago Argonne, LLC for the U.S. Department of Energy's Office of Science.
For more information, please contact Eleanor Taylor (630/252-5510 or email@example.com) at Argonne.
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Eleanor Taylor | EurekAlert!
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