TAILIEUCHUNG - Báo cáo khoa học: "Conceptual Analysis of Garden-Path Sentences"

By integrating syntactic and semantic processing, our parser (LAZY) is able to deterministically parse sentences which syntactically appear to be garden path sentences although native speakers do not need conscious reanalysis to understand them. LAZY comprises an extension to conceptual analysis which yields an explicit representation of syntactic information and a flexible interaction between semantic and syntactic knowledge. 1. INTRODUCTION The phenomenon we wish to model is the understanding of garden path sentences (GPs) by native speakers of English. . | Conceptual Analysis of Garden-Path Sentences Michael J. Pazzani The MITRE Corporation Bedford MA 01730 ABSTRACT By integrating syntactic and semantic processing our parser LAZY is able to deterministically parse sentences which syntactically appear to be garden path sentences although native speakers do not need conscious reanalysis to understand them. LAZY comprises an extension to conceptual analysis which yields an explicit representation of syntactic information and a flexible interaction between semantic and syntactic knowledge. I. INTRODUCTION The phenomenon we wish to model is the understanding of garden path sentences GPs by native speakers of English. Parsers designed by Marcus 81 and Shieber 83 duplicate a reader s first reaction to a GP such as 1 by rejecting it as ungrammatical even though the sentence is in some sense grammatical. l The horse raced past the barn fell. Thinking first that raced is the main verb most readers become confused when they see the word fell . Our parser responding like the average reader initially makes this mistake but later determines that fell is intended to be the main verb and raced is a passive participle modifying horse . We are particularly interested in a class of sentences which Shieber s and Marcus parsers will consider to be GPs and reject as ungrammatical although many people do not. For example most people can easily understand 2 and 3 without conscious reanalysis. s Three percent of the courses filled with freshmen were cancelled. 3 The chicken cooked with broccoli Ì3 delicious. The syntactic structure of 2 is similar to that of sentence 1 . However most readers do not initially mistake filled to be the Current Address The Aerospace Corporation . Box 92957 Los Angeles CA 90009 main verb. LAZY goes a step further than previous parsers by modeling the average readers ability to deterministically recognize sentences 2 and 3 . If filled were the main verb then its subject would be the noun phrase three percent of

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