Θεωρητικό υπόβαθρο
-  Kurt Goedel. On Formally Undecidable Propositions in Principia
Mathematica and Related Systems (1931).
 -  Alan M. Turing. On Computable Numbers with an Application to the 
Entscheidungsproblem  (1936)
 -  Norbert Wiener. Cybernetics: The study of control and 
communication in the animal and the machine  (1947)
 -  C. E. Shannon. The Mathematical Theory of Communication  (1948)