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ACL
2001
15 years 3 months ago
An Algebra for Semantic Construction in Constraint-based Grammars
We develop a framework for formalizing semantic construction within grammars expressed in typed feature structure logics, including HPSG. The approach provides an alternative to t...
Ann A. Copestake, Alex Lascarides, Dan Flickinger
LREC
2008
99views Education» more  LREC 2008»
15 years 3 months ago
Evaluating and Extending the Coverage of HPSG Grammars: A Case Study for German
In this work, we examine and attempt to extend the coverage of a German HPSG grammar. We use the grammar to parse a corpus of newspaper text and evaluate the proportion of sentenc...
Jeremy Nicholson, Valia Kordoni, Yi Zhang 0003, Ti...
ESSLLI
1999
Springer
15 years 6 months ago
Towards Discontinuous Grammar
This paper presents a grammar formalism in which constituent graphs are unions of a continuous surface tree and a discontinuous deep tree. The formalism has an object-oriented desi...
Matthias T. Kromann
LREC
2010
203views Education» more  LREC 2010»
15 years 3 months ago
Arabic Parsing Using Grammar Transforms
We investigate Arabic Context Free Grammar parsing with dependency annotation comparing lexicalised and unlexicalised parsers. We study how morphosyntactic as well as function tag...
Lamia Tounsi, Josef van Genabith
CICLING
2003
Springer
15 years 7 months ago
Starting with Complex Primitives Pays Off
In setting up a formal system to specify a grammar formalism, the conventional (mathematical) wisdom is to start with primitives (basic primitive structures) as simple as possible...
Aravind K. Joshi