SMALLTALK-80: the interactive programming environment
SMALLTALK-80: the interactive programming environment
Knowledge-Based Systems in Artificial Intelligence: 2 Case Studies
Knowledge-Based Systems in Artificial Intelligence: 2 Case Studies
Knowledge-based communication processes in software engineering
ICSE '84 Proceedings of the 7th international conference on Software engineering
Rule Based Expert Systems: The Mycin Experiments of the Stanford Heuristic Programming Project (The Addison-Wesley series in artificial intelligence)
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Transparency and adaptability are important criteria for the usability of computer systems. It is not easy to fulfill these criteria in ill-structured domains by using traditional software concepts. The object-oriented approach, however, allows the construction of metasystems which enable the user to understand and manipulate the underlying conceptual schemata of an application system.ZOO is a metasystem for the application expert. ZOO visualizes the contents of an object-oriented knowledge base in a graphic, spatial representation as a net of icons. ZOO allows its user to inspect, manipulate, create and delete the components of a knowledge base through direct manipulation of graphic objects.