Lexicalized Syntax and Topology for Non-projective Dependency Grammar
نویسندگان
چکیده
منابع مشابه
Lexicalized Syntax and Topology for Non-projective Dependency Grammar
We propose a lexicalized formulation of dependency grammar that addresses both immediate dependence and linear precedence. Our approach distinguishes two orthogonal, yet mutually constraining dependency trees: an ID tree of syntactic dependencies and a LP tree of topological dependencies. The ID tree is non-ordered, non-projective and its edges are labeled by grammatical functions. The LP tree ...
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Syntactic representations based on word-to-word dependencies have a long tradition in descriptive linguistics, and receive considerable interest in many computational applications. However, dependency syntax has remained somewhat of an island from a formal point of view, which hampers the exchange of resources and computational methods with other syntactic traditions. In this article, we presen...
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An open problem in dependency parsing is the accurate and efficient treatment of non-projective structures. We propose to attack this problem using chart-parsing algorithms developed for mildly contextsensitive grammar formalisms. In this paper, we provide two key tools for this approach. First, we show how to reduce nonprojective dependency parsing to parsing with Linear Context-Free Rewriting...
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Dependency grammar has a long tradition in syntactic theory, dating back to at least Tesnière’s work from the thirties.1 Recently, it has gained renewed attention as empirical methods in parsing are discovering the importance of relations between words (see, e.g., (Collins, 1997)), which is what dependency grammars model explicitly do, but context-free phrasestructure grammars do not. One probl...
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We present the first step towards a constraint-based syntax-semantics interface for Topological Dependency Grammar (TDG) (Duchier and Debusmann, 2001). We extend TDG with a new level of representation called semantic dependency dag to capture the deep semantic dependencies and clearly separate this level from the syntactic dependency tree. We stipulate an emancipation mechanism between these le...
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ژورنال
عنوان ژورنال: Electronic Notes in Theoretical Computer Science
سال: 2004
ISSN: 1571-0661
DOI: 10.1016/s1571-0661(05)82575-7