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Found one definition

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   DPS
      1. <language, text> Display PostScript.
      2. <language> A real-time language with direct
      expression of timing requests.
      ["Language Constructs for Distributed Real-Time PRogramming",
      I. Lee et al Proc IEEE Real-Time Sys Symp pp.57-66 (Dec
      1985)].
      [What does it stand for?]
      (1995-03-28)