Natural Language Parsing and Linguistic Theories

1. Front Matter

   Pages i-vi

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2. Introduction

   • Uwe Reyle, Christian Rohrer

   Pages 1-32

3. Separating Linguistic Analyses from Linguistic Theories

   • Stuart M. Shieber

   Pages 33-68

4. Applicability of Indexed Grammars to Natural Languages

   • Gerald Gazdar

   Pages 69-94

5. A Natural Language Toolkit: Reconciling Theory with Practice

   • Branimir Boguraev

   Pages 95-130

6. An Extension of LR-Parsing for Lexical Functional Grammar

   • Jörg Kindermann, Justus Meier

   Pages 131-148

7. An Efficiency-Oriented LFG Parser

   • Hans-Ulrich Block, Hans Haugeneder

   Pages 149-176

8. Parsing with a GB-Grammar

   • Eric Wehrli

   Pages 177-201

9. Combining Categorial Grammar and Unification

   • Henk Zeevat

   Pages 202-229

10. A Feature-Based Categorial Morpho-Syntax for Japanese

    • Pete J. Whitelock

    Pages 230-261

11. The Treatment of the French Adjectif Detache in Lexical Functional Grammar

    • Christoph Schwarze

    Pages 262-288

12. Some Problems of Coordination in German

    • Dieter Wunderlich

    Pages 289-316

13. German Word Order and Universal Grammar

    • Gisbert Fanselow

    Pages 317-355

14. Nonlocal-Dependencies and Infinitival Constructions in German

    • Klaus Netter

    Pages 356-410

15. GPSG and German Word Order

    • Christa Hauenschild

    Pages 411-431

16. Nested Cooper Storage: The Proper Treatment of Quantification in Ordinary Noun Phrases

    • William R. Keller

    Pages 432-447

17. Compositional Semantics for LFG

    • Uwe Reyle

    Pages 448-474

18. Back Matter

    Pages 475-484

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presupposition fails, we now give a short introduction into Unification Grammar. Since all implementations discussed in this volume use PROLOG (with the exception of BlockjHaugeneder), we felt that it would also be useful to explain the difference between unification in PROLOG and in UG. After the introduction to UG we briefly summarize the main arguments for using linguistic theories in natural language processing. We conclude with a short summary of the contributions to this volume. UNIFICATION GRAMMAR 3 Feature Structures or Complex Categories. Unification Grammar was developed by Martin Kay (Kay 1979). Martin Kay wanted to give a precise defmition (and implementation) of the notion of 'feature'. Linguists use features at nearly all levels of linguistic description. In phonetics, for instance, the phoneme b is usually described with the features 'bilabial', 'voiced' and 'nasal'. In the case of b the first two features get the value +, the third (nasal) gets the value -. Feature­ value pairs in phonology are normally represented as a matrix. bilabial: + voiced: + I nasal: - [Feature matrix for b.] In syntax features are used, for example, to distinguish different noun classes. The Latin noun 'murus' would be characterized by the following feature-value pairs: gender: masculin, number: singular, case: nominative, pred: murus. Besides a matrix representation one frequently fmds a graph representation for feature value pairs. The edges of the graph are labelled by features. The leaves denote the value of a feature.

• Parsing
• Syntax
• functional grammar
• generalized phrase structure grammar
• grammar
• infinitive
• language
• morpho-syntax
• natural language
• noun phrase
• semantics

• Institute for Computational Linguistics, University of Stuttgart, Germany

  U. Reyle, C. Rohrer

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