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)