导读
Preface
Acknowledgements
Introduction
1.1 What This Book Is About
1.1.1 Why Do Spoken Language Translation?
1.1.2 What Are the Basic Problems?
1.1.3 What Is It Realistic to Attempt Today?
1.1.4 What Have We Achieved?
1.2 Overall System Architecture
1.3 An Illustrative Example
1.4 In Defence of Hand-Coded Grammars
1.5 Hybrid Transfer
1.5.1 The Need for Grammatical Knowledge
1.5.2 The Need for Preferences
1.6 Speech Processing
1.7 Corpora
Part 1 Language Processing and Corpora
Translation Using the Core Language Engine
2.1 Introduction: Multi-Engine Translation
2.2 Word-to-Word Translation
2.3 Quasi Logical Form
2.3.1 Introduction
2.3.2 Structure of QLF
2.3.3 QLF as a Transfer Formalism: Examples
2.3.4 Head-Head Relations in QLF
2.4 Unification Grammar and QLFs
2.4.1 The CLE Unification Grammar Formalism
2.4.2 Unification Grammar Example: French Noun Phrases
2.4.3 Example 2a: Clauses in Swedish
2.4.4 Example 2b: Relative Clauses in Swedish
2.5 Orthographic Analysis and the Lexicon
2.6 Transfer Rules
2.6.1 Pre- and Posttransfer
2.7 The QLF-Based Processing Path
2.7.1 Linguistic Analysis
2.7.2 Transfer and Transfer Preferences
2.7.3 Generation
2.8 Summary
Grammar Specialisation
3.1 Introduction
3.2 Explanation-Based Learning for Grammar
Specialisation
3.2.1 A Definition of Explanation-Based Learning
3.2.2 Explanation-Based Learning on Unification Grammars
3.2.3 Category Specialisation
3.2.4 Elaborate Cutting-Up Criteria
3.3 An LR Parsing Method for Specialised Grammars
3.3.1 Basic LR Parsing
3.3.2 Prefix Merging
3.3.3 Abstraction
3.4 Empirical Results
3.4.1 Experimental Setup
3.4.2 Discussion of Results
3.5 Conclusions
Choosing among Interpretations
4.1 Properties and Discriminants
4.2 Constituent Pruning
4.2.1 Discriminants for Pruning
4.2.2 Deciding Which Edges to Prune
4.2.3 Probability Estimates for Discriminants
4.2.4 Relation to Other Pruning Methods
4.3 Choosing among QLF Analyses
4.3.1 Analysis Choice: An Example
4.3.2 Further Advantages of a Discriminant Scheme .
4.3.3 Numerical Metrics
4.4 Choosing among Transferred QLFs
4.5 Choosing Paths in the Chart
The TreeBanker
5.1 Motivation
5.2 Representational Issues
5.3 Overview of the TreeBanker
5.4 The Supervised Training Process
5.4.1 Properties and Discriminants in Training
5.4.2 Additional Functionality
5.5 Training for Transfer Choice
5.6 Evaluation and Conclusions
Acquisition of Lexical Entries
6. 1 The Lexical Acquisition Tool, LexMake
6.2 Acquiring Word-to-Word Transfer Rules
6.3 Evaluation and Conclusions
Spelling and Morphology
7.1 Introduction
7.2 The Description Language
7.2.1 Morphophonology
7.2.2 Word Formation and Interfacing to Syntax
7.3 Compilation
7.3.1 Compiling Spelling Patterns
7.3.2 Representing Lexical Roots
7.3.3 Applying Obligatory Rules
7.3.4 Interword Rules
7.3.5 Timings
7.4 Some Examples
7.4.1 Multiple-Letter Spelling Changes
7.4.2 Using Features to Control Rule Application
7.4.3 Interword Spelling Changes
7.5 Debugging the Rules
……
Part 2 Linguistic Coverage
Part 3 Speech Processing