TAILIEUCHUNG - Báo cáo khoa học: "A Theory of Parallelism and the Case of VP Ellipsis"

We provide a general account of parallelism in discourse, and apply it to the special case of resolving possible readings for instances of VP ellipsis. We show how seyeral problematic examples are accounted for in a natural and straightforward fashion. The generality of the approach makes it directly applicable to a variety of other types of ellipsis and reference. 1 The Problem of VP Ellipsis Whereas one might expect there to be as many as six readings for this sentence, Dalrymple et ai. (1991, henceforth DSP) note that it has only five readings; the reading is absent in which. | A Theory of Parallelism and the Case of VP Ellipsis Jerry R. Hobbs and Andrew Kehler Artificial Intelligence Center SRI International 333 Ravenswood Avenue Menlo Park CA 94025 hobbs kehler @ Abstract We provide a general account of parallelism in discourse and apply it to the special case of resolving possible readings for instances of VP ellipsis. We show how problematic examples are accounted for in a natural and straightforward fashion. The generality of the approach makes it directly applicable to a variety of other types of ellipsis and reference. 1 The Problem of VP Ellipsis VP ellipsis has received a great deal of attention in theoretical and computational linguistics Asher 1993 Crouch 1995 Dalrymple Shieber and Pereira 1991 Fiengo and May 1994 Gawron and Peters 1990 Hardt 1992 Kehler 1993 Lappin and McCord 1990 Priist 1992 Sag 1976 Webber 1978 Williams 1977 inter alia . The area is a tangled thicket of examples in which readings are mysteriously missing and small changes reverse judgments. It is a prime example of a phenomenon at the boundary between syntax and pragmatics. VP ellipsis is exemplified in sentence 1 . 1 John revised his paper before the teacher did. This sentence has two readings one in which the teacher revised John s paper the strict reading and one in which the teacher revised his own paper the sloppy reading . Obtaining an adequate account of strict sloppy ambiguities has been a major focus of VP ellipsis research. This is challenging because not all examples are as simple as sentence 1 . In fact sentence 1 is the first main clause of one of the more problematic cases in the literature 2 John revised his paper before the teacher did and Bill did too. Whereas one might expect there to be as many as six readings for this sentence Dalrymple et al. 1991 henceforth DSP note that it has only five readings the reading is absent in which 3 John revised John s paper before the teacher revised John s paper and Bill revised John s

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