The Understanding and Generation of Ellipses in a Natural Language System
CALIFORNIA UNIV BERKELEY COMPUTER SCIENCE DIV
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Ellipsis in English can occur in many different forms. A large class of ellipses is isolated, encompassing such traditionally distinct linguistic rules as Right-node Raising, Gapping, VP-Deletion, Coordinate Reduction, and other phenomena which crosses sentence boundaries. The members of this class of ellipses involve implicit or explicit coordination. A uniform algorithm implemented in the UC Unix Consultant natural language system resolves the ellipses in this class, and constraints are given which govern the production of those ellipses. Justification is provided for the approach taken, and its limitations and applications are explored.
- Computer Programming and Software