The Free On-line Dictionary of Computing (19 January 2023):

Aion Development System
ADS

    (ADS) A commericial expert
   system shell developed by Aion Corporation that supported
   forward chainging and backward chaining and featured an
   object-oriented knowledge representation scheme, graphics and
   integrated with other programming languages like C and
   Pascal.

   ["Expert Systems in Chemistry Research", Markus C. Hemmer].

   (2014-10-05)