The Smalltalk-76 programming system design and implementation
POPL '78 Proceedings of the 5th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
SIGIR '80 Proceedings of the 3rd annual ACM conference on Research and development in information retrieval
Extending object oriented programming in Smalltalk
LFP '80 Proceedings of the 1980 ACM conference on LISP and functional programming
Virtual terminal management in a multiple process environment
SOSP '79 Proceedings of the seventh ACM symposium on Operating systems principles
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An I-SPACE is a large human-machine information space, designed especially for environments where large amounts of distributed information, and tools for using that information, must be interfaced to a wide variety of users in real time. The important characteristics of an I-SPACE are that it presents a powerful, but uniform and simple interface to all users, that it permits users to synthesize information from diverse parts of the I-SPACE for simultaneous viewing and manipulation via their screens, and that it accommoates a cluttered desktop environment, where activities can be set aside (but kept up to date by real-time mechanisms), then later returned to. We describe the Goddard I-SPACE, a prototype system for Goddard Space Flight Center, an archetype of organizations in need of an I-SPACE. This 1- SPACE is presently running on a VAX, and will soon incorporate a large multiprocessor to handle real-time scheduling and event-driven pattern matchers.