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Language peer sets for UNITS:
United States↑
United States/1977↑
Designed 1977 ↑
1970s languages ↑
Fourth generation↑
High Cold War↑
Genus Frame languages ↑
Experimental and other ↑
Frame languages↑
Context-based ↑
Data representation ↑
Frame languages/1977↑
Context-based /1977↑
Data representation/1977↑
Frame languages/United States↑
Context-based /United States↑
Data representation/United States↑
Experimental and other ↑
Experimental and other/1977↑
Experimental and other/us ↑
UNITS(ID:5638/uni022)
Frame language
alternate simple view
Country: United States
Designed 1977
Genus: Frame languages
Sammet category: Experimental and other
Frame language, part-influence (with KRL) on LOOPS
Stefik Stanford 1976
Written in and giving access to INTERLISP
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STROBE | |
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UNIT Package | |
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References:
Martin N., Friedland P., King J., Stefik M., (1977) Martin N., Friedland P., King J., Stefik M., "Knowledge Base Management for Experiment Planning" pp. 882-887
in [Proceedings] (1977) Proceedings of the 5th International Joint Conference on Artificial Intelligence IJCAI-77, MIT, Cambridge, Mass., August, 1977
Stefik M.J., (1979) Stefik M.J., "Orthogonal Planning with Constraints, Report on a knowledge-based program that plans syothesis experiments in molecular genetics" PhD Computer Science Department, Stanford University (September 1979)
in [Proceedings] (1977) Proceedings of the 5th International Joint Conference on Artificial Intelligence IJCAI-77, MIT, Cambridge, Mass., August, 1977
Stefik, M. (1979) Stefik, M. An examination of a frame-structured representation system.Proceedings of the International Joint Conference on Artificial Intelligence, Tokyo, Japan, pp. 845-852, August 1979.
Abstract
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History
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Elements of the Representation
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Survey
Abstract
pdf
in [Proceedings] (1977) Proceedings of the 5th International Joint Conference on Artificial Intelligence IJCAI-77, MIT, Cambridge, Mass., August, 1977
Smith, R.G.; Friedland, P. and Stefik, M. (1980) Smith, R.G.; Friedland, P. and Stefik, M. "Unit Package user's guide" Technical Report HPP-80-28, Stanford University Knowledge Systems Laboratory, December 1980
in [Proceedings] (1977) Proceedings of the 5th International Joint Conference on Artificial Intelligence IJCAI-77, MIT, Cambridge, Mass., August, 1977
Stefik, M. (1980) Stefik, M. Planning with constraints. Memo HPP-80-2 (Knowledge Systems Laboratory), January 1980. Also Stanford CS Report STAN-CS-80-784, 1980.
in [Proceedings] (1977) Proceedings of the 5th International Joint Conference on Artificial Intelligence IJCAI-77, MIT, Cambridge, Mass., August, 1977
Resources
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HIstory page at Stanford AI
MOLGEN (1975-84)
The MOLGEN project has applied AI methods to research in molecular biology. Initial work focused on acquiring and representing the expert knowledge needed to design and simulate experiments in the domain. This led to the development of UNITS, described below. The second phase of research resulted in two expert systems, representing distinct approaches to the design of genetic experiments. One system used "skeletal plans," which are abstracted outlines of experiment designs that can be applied to specific experimental goals and environments. The other system was based on planning with constraints, in which planning decisions are made in the spaces of overall strategy, domain-independent decisions, and domain-dependent laboratory decisions, and the interaction of separate steps or subproblems of an experiment constitute constraints on the overall problem. These two systems were later synthesized into a third system, called SPEX. Current work, known as MOLGEN-II (see the section "The Heuristic Programming Project"), is investigating the process of theory formation in molecular biology.
UNITS (1975-81)
The frame-based UNITS system was developed in the MOLGEN project as a general-purpose knowledge representation, acquisition, and manipulation tool. Designed for use by domain experts with little previous knowledge of computers, it provides an interface that allows the expert to describe both factual and heuristic knowledge. It contains both domain-independent and domain-specific components, including modified English rules for describing the procedural knowledge. UNITS has been licensed by Stanford University for commercial development.
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