User interface system for permitting natural language interaction with an information retrieval system
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United States of America Patent
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Jun 5, 1990
Grant Date -
N/A
app pub date -
Jul 1, 1988
filing date -
Jul 3, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A user interface system for information retrieval which includes apparatus for sequentially effecting syntactic and semantic analysis, every time a retrieval request sentence is inputted on words and clauses of the request sentence, apparatus inputted for creating partial syntactic and semantic expressions from successively obtained results of the syntactic and semantic analysis, apparatus for predicting words or clauses which are to be next inputted as the retrieval request sentence by making use of a semantic relation between the syntactic and semantic expression and an associated task, apparatus for displaying candidates for the predicted clauses, and apparatus for taking in selected clauses as subsequent clauses of the retrieval request sentence by and permitting a user to select at least one of the displayed candidates.
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