Systems and Frameworks for Computational Morphology

Name: Systems and Frameworks for Computational Morphology | Second International Workshop, SFCM 2011, Zurich, Switzerland, August 26, 2011, Proceedings
Brand: Springer
Price: 53.49 EUR
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Second International Workshop, SFCM 2011, Zurich, Switzerland, August 26, 2011, Proceedings

Cerstin Mahlow Michael Piotrowski(Herausgeber*in)

Springer (Verlag)

Erschienen am 19. August 2011

X, 142 Seiten

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978-3-642-23138-4 (ISBN)

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Inhalt

Title
Preface
Organization
Table of Contents
Beyond Morphology: Pattern Matching with FST
Creating Pattern Networks
Simple Patterns
Expanded Patterns
Relations
Context Conditions
The pmatch Algorithm
Other Applications
Tokenization
Parsing
Conclusion
References
Maximum Entropy Model for Disambiguation of Rich Morphological Tags
Introduction
Morphological Tagging
Morphological Tagset
Training Data
Ambiguity Classes
Model
Training
Feature Selection
Model Parameters
Results
Error Analysis
Conclusions
References
Non-canonical Inflection:Data, Formalisation and Complexity Measures
Introduction
Related Work
Related Work in Computational Morphology
Related Work in Theoretical Morphology
Data on Non-canonical Inflection
Canonical Inflection
Stem Alternations/Suppletion
Deponency
Heteroclisis
Defectiveness
Overabundance
A Formal Model for Inflectional Morphology
Defining the Relevant Notions
Measuring the Complexity of Various Descriptions of French Verbal Inflection
Descriptions of French Verbal Inflection
Quantifying and Measuring Morphological ComplexityThe title of this section is borrowed from bane08, whose first sections provide a brief but complete and detailed account of recent work on this topic.
Measuring the Complexity of Various Morphological Descriptions of French Verbal Inflection
Conclusion
References
A User-Oriented Approach to Evaluation and Documentation of a Morphological Analyzer
Introduction
Background
ISO 9126 and EAGLES EAG-EWG-PR.2
Comparable Evaluations of NLP Systems
Summary
Developments
Terminology Developments
Application of the Terms Verification, Validation and Evaluation
Re-usability and Sustainability
Validation and Evaluation Methodologies
Test Suites for NLP (TSNLP) - A Methodology to Evaluate Syntactic Analyzers
A Validation Methodology for NLP Lexicons
An Evaluation of Morphological Analyzers for a Real-World Application
The Stuttgart Morphological Analyzer (smor)
The Tool and Its Knowledge Basis
WebLicht - A Prototypical Webservice for Open Use
Methods
Designing a Testsuite
The Design of Linguistic Category Tables to Describe Nouns, Verbs and Adjectives
Results and Documentation
Designing a Template for Documentation
Calculating Recall and Precision
Developing Guidelines
Assumed User Requirements
Conclusions and Future Work
References
HFST-Framework for Compiling and Applying Morphologies
Introduction
Structural Layout
General Layout of HFST
Adding New Libraries to HFST
Coding Principles
Dynamic Linking to Underlying Libraries
Data Formats
Transducer Binary Format
Conversion between Different Back-End Formats
Alphabet
SFST Programming Language Compatibility
Xerox Compatibility
Intersecting Composition
Runtime and Optimized Lookup
Implementation and Integration in HFST 2.0 and HFST 3.0
Index Table Compaction
Flag Diacritics and Related Optimization Tricks
Application Areas
Apertium Interoperability-Corpus Processing Tools and I/O Formats
Voikko and HFST Based Spell-Checker Formulation
Statistical Part-of-Speech Tagging Using Weighted Finite-State Transducers
Discussion
Conclusion
References
Morphology to the Rescue Redux: Resolving Borrowings and Code-Mixing in Machine Translation
Motivation
Problem
Rationale
Data Collection
Related Work
Brief Description of the LMT Morphological Analyzer
Analysis and Transfer of Borrowings
Principles and Definitions
Goals
Borrowings
Examples of Borrowings
Impact
Code-Mixing as Underived Words
Code-Mixing Examples
Code-Mixing as an Extension of the Dummy Strategy
Results
Observations
Future Development
Conclusion
References
A Lexical Database for Modern Standard Arabic Interoperable with a Finite State Morphological Transducer
Introduction
Modern Standard Arabic vs. Classical Arabic
A Brief History of Arabic Lexicography
Current State of Arabic Lexicography
Arabic Morphotactics
Methodology
Using Heuristics and Statistics from a Large Corpus
Using State-of-the-Art Standards for Lexical Resource Representation
Using Finite State Technology
Results to Date
Building Lexical Resources
AraComLex Lexical Management Application
Extending the Lexical Database
An Open-Source FST Arabic Morphological Analyser
Future Work
Conclusion
References
Indonesian Morphology Tool (MorphInd): Towards an Indonesian Corpus
Introduction
Motivation
Tool Design
Tagset Design and Lexical Category Organization
Analysis Format
Morphosyntactic and Morphophonemic Operation
Software License
Research on Indonesian
Linguistic Tools
Indonesian Corpus Plan
Evaluation
Conclusion and Future Work
References
Morphology Generation for Swiss German Dialects
Introduction
Swiss German Dialects
General System Architecture
Variables and Variants
Phonetic Transformations
Lexical Replacement
Affix Generation
Problematic Cases
Lexical Restrictions of Phonetic Transformations
Short Verbs
Experiments
Conclusion
References
Author Index

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