"Actor languages" . . "Active Object (Actor)" . . . "actor-based concurrency" . "Actor group" . "Actor model" . . "actor" . "actors" . "syntax and execution model" . "Hewitt's Actor Model" . "active objects (actors)" . "Act 1" . . . . "Actor Model" . . . . . "Actor_model#Programming_with_Actors" . "actor_model" . . "Representation Theorem" . . . "pipelined message processing" . . . "Actor_model#Unbounded_nondeterminism_controversy" . "Actor programming" . . "Actor model" . . . "'''active objects''' (actors)" . "Actor-based" . "Actors" . "Actor" . "actor model" .