Sharon Cote

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This paper has three aims: (1) to generalize a computational account of the discourse process called CENTERING, (2) to apply this account to discourse processing in Japanese so that it can be used in computational systems for machine translation or language understanding, and (3) to provide some insights on the effect of syntactic factors in Japanese on(More)
In our approach, each elementary structure is systematically associated with a lexical head. These structures specify extended domains of locality (as compared to a context-free grammar) over which constraints can be stated. These constraints either hold within the elementary structure itself or specify what other structures can be composed with a given(More)
CLIFF is the Computational Linguists' Feedback Forum. We are a group of students and faculty who gather once a week to hear a presentation and discuss work currently in progress. The 'feedback' in the group's name is important: we are interested in sharing ideas, in discussing ongoing research, and in bringing together work done by the students and faculty(More)
This paper presents a sizable grammar for English written in the Tree Adjoining grammar (TAG) formalism. The grammar uses a TAG that is both lexicalized (Schabes, Abeillé, Joshi 1988) and feature-based (Vijay-Shankar, Joshi 1988). In this paper, we describe a wide range of phenomena that it covers. A Lexicalized TAG (LTAG) is organized around a lexicon,(More)
i ii About XTAG XTAG is a graphically oriented package that has been developed at the University of Pennsylvania as a tool for writing Tree Adjoining Grammars and for testing parsers for TAG. It is implemented within CLX (Common LISP X Interface) in Common Lisp. The TAG System is an integration of two main tools: a tree manipulation system and a predictive(More)
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