Now showing items 178-180 of 1835

    • How Is a Knowledge Representation System Like a Piano? 

      Smith, Brian Cantwell (MIT Artificial Intelligence Laboratory, 1978-11)
      In the summer of 1978 a decision was made to devote a special issue of the SIGART newsletter to the subject of knowledge representation research. To assist in ascertaining the current state of people's thinking on this ...
    • Stepping Motor Control System 

      Larson, Noble G. (MIT Artificial Intelligence Laboratory, 1979-02)
      This paper describes a hardware system designed to facilitate position and velocity control of a group of eight stepping motors using a PDP-11. The system includes motor driver cards and other interface cards in addition ...
    • Specifying and Proving Properties of Guardians for Distributed Systems 

      Hewitt, Carl; Attardi, Giuseppe; Lieberman, Henry (MIT Artificial Intelligence Laboratory, 1979-05)
      In a distributed system where many processors are connected by a network and communicate using message passing, many users can be allowed to access the same facilities. A public utility is usually an expensive or limited ...