ai koan

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ai koan - Free On-line Dictionary of Computing (26 May 2007) :

  AI koan
  
     <humour> /A-I koh'an/ One of a series of pastiches of Zen
     teaching riddles created by Danny Hillis at the MIT AI Lab
     around various major figures of the Lab's culture.
  
     See also ha ha only serious, mu.
  
     In reading these, it is at least useful to know that Marvin Minsky
     , Gerald Sussman, and Drescher are AI researchers
     of note, that Tom Knight was one of the Lisp machine's
     principal designers, and that David Moon wrote much of Lisp
     Machine Lisp.
  
     				 * * *
  
     A novice was trying to fix a broken Lisp machine by turning
     the power off and on.
  
     Knight, seeing what the student was doing, spoke sternly: "You
     cannot fix a machine by just power-cycling it with no
     understanding of what is going wrong."
  
     Knight turned the machine off and on.
  
     The machine worked.
  
     				 * * *
  
     One day a student came to Moon and said: "I understand how to
     make a better garbage collector.  We must keep a reference
     count of the pointers to each cons."
  
     Moon patiently told the student the following story:
  
          "One day a student came to Moon and said: `I understand
          how to make a better garbage collector...
  
     [Pure reference-count garbage collectors have problems with
     circular structures that point to themselves.]
  
     				 * * *
  
     In the days when Sussman was a novice, Minsky once came to him
     as he sat hacking at the PDP-6.
  
     "What are you doing?", asked Minsky.
  
     "I am training a randomly wired neural net to play
     Tic-Tac-Toe", Sussman replied.
  
     "Why is the net wired randomly?", asked Minsky.
  
     "I do not want it to have any preconceptions of how to play",
     Sussman said.
  
     Minsky then shut his eyes.
  
     "Why do you close your eyes?", Sussman asked his teacher.
  
     "So that the room will be empty."
  
     At that moment, Sussman was enlightened.
  
     				 * * *
  
     A disciple of another sect once came to Drescher as he was
     eating his morning meal.
  
     "I would like to give you this personality test", said the
     outsider, "because I want you to be happy."
  
     Drescher took the paper that was offered him and put it into
     the toaster, saying: "I wish the toaster to be happy, too."
  
     (1995-02-08)