Christopher K. Riesbeck
Abstract
ELI, the English language interpreter for the SAM story understanding system at Yale, is a model of language understanding using productions. Productions are useful because they are flexible, but this flexibility means more work has to be spent controlling and manipulating them. ELI limits the number of productions that have to be manipulated with expectations. Expectations are constraints generated by frame structures that have been built by previously executed productions. Only productions that satisfy existing expectations are used.
Index Terms
- An expectation-driven production system for natural language understanding
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