Conceptual dependency theory: Difference between revisions

Revision as of 15:47, 19 February 2010

Revision as of 15:50, 19 February 2010

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'''Conceptual dependency theory''' iswas aan early model of [[natural language understanding]] used in [[artificial intelligence]] systems.

[[Roger Schank]] at [[Stanford University]] introduced the model in 1969.<ref>[[Roger Schank]], 1969, ''A conceptual dependency parser for natural language'' Proceedings of the 1969 conference on Computational linguistics, Sång-Säby, Sweden pages 1-3</ref> This model was extensively used by Schank's students at [[Yale University]] such as Robert Wilensky, Wendy Lehnert, and [[Janet Kolodner]].

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:* ''locations''

A set of ''conceptual transitions'' then act on this representation, e.g. an ATRANS is used to represent a transfer such as "give" or "take" while a PTRANS is used to act on locations such as "move" or "go". An MTRANS represents mental acts such as "tell", etc.

A sentence such as "john gave a book to Mary" is then represented as the action of an ATRANS on two real world objects John and Mary.

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==See also==

* [[Augmented transition network]]

* [[Scripts (artificial intelligence)]]

==Notes==