Source : Free On-Line Dictionary of Computing

DSM
     
        1. Data Structure Manager.
     
        An {object-oriented} language by J.E. Rumbaugh and M.E. Loomis
        of {GE}, similar to {C++}.  It is used in implementation of
        {CAD}/{CAE} software.  DSM is written in DSM and {C} and
        produces {C} as output.
     
        ["DSM: An Object-Relationship Modeling Language", A. Shah et
        al, SIGPLAN Notices 24(10):191-202 (OOPSLA '89) (Oct 1989)].
     
        2. {DIGITAL Standard MUMPS}.
     
        (1995-01-10)