Sentence realization model for a natural language generation system
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United States of America Patent
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Apr 28, 2009
Grant Date -
Sep 25, 2003
app pub date -
Mar 20, 2002
filing date -
Mar 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is a sentence realization system that processes an abstract linguistic representation (ALR) of a sentence into a structure that can be fully realizable. The system includes a tree conversion component that receives the ALR and generates a basic syntax tree from the ALR. A global movement component then receives the basic syntax tree and hierarchically orders child nodes in that syntax tree relative to ancestor nodes. An intra-constituent ordering component then establishes a linear order among the nodes such that the syntax tree is fully ordered. A surface cleanup component receives the fully ordered tree and performs a number of realization operations to generate surface realizations for constituents that are still represented in an abstract way in the fully ordered syntax tree.
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