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qiu:

References: (see our remarks)

• Bixby, R, Ceria, S, McZeal C M, and Savelsbergh, M W P, An Updated Mixed Integer Programming Library: MIPLIB 3.0. Optima 58 (1998), 12-15.
• , Proceedings of Supercomputing '94, 1994.
• Eckstein, J, Control Strategies for Parallel Mixed Integer Branch and Bound. In Proceedings of Supercomputing '94. IEEE Computer Society Press, Los Alamitos, CA, 1994, pp. 41-48.
• Eckstein, J, Parallel Branch-and-Bound Methods for Mixed-Integer Programming on the CM-5. SIAM Journal on Optimization 4, 4 (1994), 794-814.
• Eckstein, J, Parallel Branch-and-Bound Methods for Mixed Integer Programming. SIAM News 27, 1 (1994), 1-1215.
• MIPLIB 3.0 Library, online at http://www.caam.rice.edu/~bixby/miplib/miplib.html.
• Original source: MPS file qiu from MIPLIB 3.0.

Point: p1 
Best known point: p1 with solution -132.8731