Blondin-Massé, Alexandre, Chicoisne, Guillaume, Gargouri, Yassine, Harnad, Stevan, Picard, Olivier and Marcotte, Odile
How is meaning grounded in dictionary definitions?
At Coling 2008. 22nd International Conference on Computational Linguistics: TextGraphs-3 Proceedings of the 3rd Textgraphs Workshop on Graph-Based Algorithms for Natural Language Processing, United Kingdom.
16 - 24 Aug 2008.
Meaning cannot be based on dictionary def- initions all the way down: at some point the circularity of definitions must be bro- ken in some way, by grounding the mean- ings of certain words in sensorimotor cat- egories learned from experience or shaped by evolution. This is the “symbol ground- ing problem”. We introduce the concept of a reachable set — a larger vocabulary whose meanings can be learned from a smaller vo- cabulary through definition alone, as long as the meanings of the smaller vocabulary are themselves already grounded. We provide simple algorithms to compute reachable sets for any given dictionary.
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