These files are compressed with the MPC utility and need to
be uncompressed with EMPS to be converted to MPS format.

Both utilities are available at
   http://www.netlib.org/lp/data/
BZIP2 for Windows is at:
http://gnuwin32.sourceforge.net/packages/bzip2.htm

Questions about the origins of these LPs were posed repeatedly.
To the best of our knowledge we will list sources here (to be
continued):

RAIL: set covering problems from the Italian railroad, see
      http://people.brunel.ac.uk/~mastjjb/jeb/orlib/scpinfo.html

NUG:  computing LP loweer bounds for quadratic assignment problems.
      see;
S.E. KARISCH and F. RENDL. Lower bounds for the quadratic assignment 
problem via triangle decompositions.  Mathematical Programming, 
71(2):137-152, 1995
K.G. Ramakrishnan, M.G.C. Resende, B. Ramachandran, and J.F. Pekny, 
"Tight QAP bounds via linear programming," Combinatorial and Global 
Optimization, P.M. Pardalos, A. Migdalas, and R.E. Burkard, eds.,
World Scientific Publishing Co., Singapore, pp. 297-303, 2002.

PDS:  Patient distribution (evacuation) system. see
W. Carolan, J. Hill, J. Kennington, S. Niemi, and S. Wichmann, "An 
Empirical Evaluation of the KORBX Algorithms for Military Airlift Applications,"
Operations Research, 38, (1990), 240-248.

MISC:  see README in that directory

Hans Mittelmann (mittelmann@asu.edu)