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March/April 2004 (Vol. 19, No. 2)   pp. 78-80
The Janus Principle

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DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/MIS.2004.1274915
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Abstract

The Roman mythological god Janus was said to bring all things into the world, from the seasons to the ways of civilization. He was symbolized as a two-faced god, one youthful, the other elderly. The authors find here an allegory to the apprentice-expert continuum in knowledge acquisition, so they've named a principle of human-centered computing after Janus. This principle deals with the distinction between performance and training, and its implications for intelligent technologies.

References
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Additional Information

Citation:  Robert R. Hoffman, Gavan Lintern, Susan Eitelman, "The Janus Principle," IEEE Intelligent Systems, vol. 19,  no. 2,  pp. 78-80,  Mar/Apr,  2004

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