Large Scale Semantic Construction for Tree Adjoining Grammars (original) (raw)

2005

Although Tree Adjoining Grammars (TAG) are widely used for syntactic processing, there is to date no large scale TAG available which also supports semantic construction. In this paper, we present a highly factorised way of implementing a syntax/semantic interface in TAG. We then show how the resulting resource can be used to perform semantic construction either during or after derivation.

A Lexicalized Tree Adjoining Grammar for English

1990

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, Abeille, Joshi 1988) and feature-based (VijayShankar, Joshi 1988). In this paper, we describe a wide range of phenomena that it covers. A Lexicalized TAG (LTAG) is organized around a lexicon, which associates sets of elementary trees (instead of just simple categories) with the lexical items. A Lexicalized TAG consists of a finite set of trees associated with lexical items, and operations (adjunction and substitution) for composing the trees. A lexical item is called the anchor of its corresponding tree and directly determines both the tree's structure and its syntactic features. In particular, the trees define the domain of locality over which constraints are specified and these constraints are local with respect to their anchor. In this paper, the basic tree structures of the English LTAG are described, along with so...

A compiler generator for semantic grammars

1981

For the past three years, John Hennessy has assisted my study of programming languages. He suggested that I investigate semantics, and later noted that the compiler generator might be feasible. As the research progressed, John helped me to focus on the most important problems. He made extensive comments on numerous drafts of this thesis and other papers.

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