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By  and Keith A. BonawitzPatrick H. Winston, Arthur C. Smith and Keith A. Bonawitz


This thesis investigates the bidirectional exchange of information between linguistic and non-linguistic semantic inputs containing ambiguities. Such exchange is critical to Cognitively Complete Systems, in which collections of related representations and processes cooperate for their mutual problem-solving benefit. The exchange paradigm of reconciliation is defined, in which ambiguities and gaps in multiple input domains are simultaneously resolved. A complete architecture for implementing reconciliation between the linguistic and non-linguistic semantic domains is described, employing the Streams and Counterstreams bidirectional search technique, Combinatory Categorial Grammar, and Lexical Conceptual Semantics. This architecture has been implemented, resulting in a system that can act as an ambiguity resolving constraint between linguistic and non-linguistic inputs, with the side effect of also producing a language parsing and generating system. For example, if the system is presented with the phrase “The orange rolls, ” and a non-linguistic input (perhaps from a vision subsystem) describing the presence of bread (rolls) in the scene, the system will automaticall

Year: 2003
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