Now showing items 172-174 of 291

    • Security and Modularity in Message Passing 

      Hewitt, Carl; Attardi, Giuseppe; Lieberman, Henry (MIT Artificial Intelligence Laboratory, 1979-02)
      This paper addresses theoretical issues involved for the implementation of security and modularity in concurrent systems. It explicates the theory behind a mechanism for safely delegating messages to shared handlers in ...
    • Concurrent Systems Need Both Sequences And Serializers 

      Hewitt, Carl (MIT Artificial Intelligence Laboratory, 1979-02)
      Contemporary concurrent programming languages fall roughly into two classes. Languages in the first class support the notion of a sequence of values and some kind of pipelining operation over the sequence of values. Languages ...
    • The XPRT Description System 

      Steels, Luc (MIT Artificial Intelligence Laboratory, 1979-01)
      This paper introduces a frame-based description language and studies methods for reasoning about problems using knowledge expressed in the language. The system is based on the metaphor of a society of communicating experts ...