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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
31

Chinese outline fonts support in X Window System.

January 1994 (has links)
by Raymond Cheuk-kuen Chen. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 157-160). / Chapter 1. --- INTRODUCTION --- p.8 / Chapter 1.1. --- Windowing System --- p.8 / Chapter 1.2. --- Fonts --- p.10 / Chapter 1.2.1. --- Bitmap Fonts --- p.11 / Chapter 1.2.2. --- Outline Fonts --- p.12 / Chapter 1.3. --- Different font support models --- p.15 / Chapter 1.3.1. --- Supported by applications --- p.15 / Chapter 1.3.2. --- Supported by windowing system --- p.17 / Chapter 1.3.'3. --- Supported by a dedicated server --- p.19 / Chapter 1.4. --- Issues of Chinese Font Support --- p.20 / Chapter 2. --- OVERVIEW OF X WINDOW SYSTEM --- p.22 / Chapter 2.1. --- Introduction --- p.22 / Chapter 2.2. --- Architecture --- p.23 / Chapter 2.3. --- Font Management in the X Window System --- p.23 / Chapter 2.3.1. --- Before X Version 11 Release5 --- p.24 / Chapter 2.3.2. --- In X Version 11 Release5 --- p.25 / Chapter 2.3.3. --- Portable Compiled Format --- p.25 / Chapter 2.3.4. --- Font Server --- p.26 / Chapter 2.3.5. --- Font Management Library --- p.28 / Chapter 2.4. --- Internal Code --- p.29 / Chapter 3. --- CHINESE FONT SERVER --- p.30 / Chapter 3.1. --- Motivation --- p.30 / Chapter 3.2. --- Font Server Architecture --- p.31 / Chapter 3.2.1. --- Device Independent Font Server layer(DIFS) --- p.32 / Chapter 3.2.2. --- Operating System layer(OS) --- p.32 / Chapter 3.2.3. --- Font Management Library(FML) --- p.33 / Chapter 3.2.4. --- Font Path Element --- p.34 / Chapter 3.2.5. --- Font File Renderer --- p.35 / Chapter 3.2.6. --- Font server Renderer --- p.36 / Chapter 3.3. --- Implementation of Chinese Font Server --- p.36 / Chapter 3.3.1. --- Font data and code set --- p.36 / Chapter 3.3.2. --- Registering a new font reader --- p.38 / Chapter 3.3.3. --- Font specific functions --- p.42 / Chapter 3.3.4. --- Load-All Scheme --- p.43 / Chapter 3.3.5. --- Demand-Loading Scheme --- p.44 / Chapter 3.3.6. --- Embedding of font rasterizer --- p.44 / Chapter 3.4. --- Test Results --- p.45 / Chapter 3.4.1. --- X Application Tests --- p.45 / Chapter 3.4.2. --- Demand-Loading Test --- p.49 / Chapter 3.5. --- Some Remarks --- p.53 / Chapter 4. --- OVERVIEW OF PRINTING SYSTEM --- p.54 / Chapter 4.1. --- Motivation --- p.54 / Chapter 4.2. --- Design Considerations --- p.56 / Chapter 4.2.1. --- Modification of the X server --- p.56 / Chapter 4.2.2. --- Embed the printing system into the font server --- p.57 / Chapter 4.2.3. --- Distributed Architecture --- p.58 / Chapter 4.3. --- System Architecture --- p.60 / Chapter 4.4. --- Printer Server --- p.61 / Chapter 4.5. --- Font Server --- p.63 / Chapter 4.6. --- Printing Services Protocols --- p.63 / Chapter 4.7. --- X Window System Server --- p.65 / Chapter 4.8. --- Printer Server Library --- p.65 / Chapter 4.9. --- Client Applications --- p.65 / Chapter 5. --- DESIGN AND IMPLEMENTATION OF A PRINTER SERVER --- p.67 / Chapter 5.1. --- Objects identification --- p.67 / Chapter 5.1.1. --- Dispatcher (dispatcher) --- p.68 / Chapter 5.1.2. --- Communication Channel (ComChannel) --- p.68 / Chapter 5.1.3. --- Font Cache Manager (FnCache) --- p.69 / Chapter 5.1.4. --- PrnFont (PrnFont) --- p.69 / Chapter 5.1.5. --- Per-Font Cache (CacheStruct) 一- --- p.70 / Chapter 5.1.6. --- Font Server (FnServer) --- p.71 / Chapter 5.1.7. --- Client Manager (LRUList) --- p.71 / Chapter 5.1.8. --- Client Record (ClientRec) --- p.71 / Chapter 5.1.9. --- Printer Driver (PrnDriver) --- p.71 / Chapter 5.1.10. --- Down Loaded Font Table (DownLoadedFont) --- p.72 / Chapter 5.1.11. --- Request Header (reqHeader) --- p.72 / Chapter 5.1.12. --- Generic Reply(replyGeneric) --- p.74 / Chapter 5.2. --- Objects Organization --- p.74 / Chapter 5.2.1. --- Server Control Subsystem --- p.75 / Chapter 5.2.2. --- Client Management Subsystem --- p.78 / Chapter 5.2.3. --- Request Handling Subsystem --- p.84 / Chapter 5.2.4. --- Font Managing Subsystem --- p.86 / Chapter 6. --- SAMPLE PRINTER DRIVER --- p.94 / Chapter 6.1. --- Printer Control Languages --- p.94 / Chapter 6.1.1. --- Structure of PCL Command --- p.95 / Chapter 6.1.2. --- PCL Command Example --- p.97 / Chapter 6.2. --- Printer Font Resources --- p.98 / Chapter 6.3. --- Traditional Font Handling Methods in a Printer Driver --- p.99 / Chapter 6.4. --- Soft Font Creation in PCL Printer --- p.101 / Chapter 6.4.1. --- Font ID number --- p.102 / Chapter 6.4.2. --- Font Descriptor --- p.102 / Chapter 6.4.3. --- Character Code - --- p.104 / Chapter 6.4.4. --- Character Descriptor --- p.105 / Chapter 6.4.5. --- Character Bitmap Data --- p.107 / Chapter 6.5. --- New font downloading schemes for double-byte fonts --- p.107 / Chapter 6.5.1. --- Terminology --- p.108 / Chapter 6.5.2. --- Underlying Concepts of Algorithm One --- p.109 / Chapter 6.5.3. --- Algorithm One --- p.111 / Chapter 6.5.3.1. --- Code Mapping --- p.112 / Chapter 6.5.3.2. --- Example --- p.114 / Chapter 6.5.3.3. --- Memory Consideration --- p.115 / Chapter 6.5.4. --- Algorithm Two --- p.117 / Chapter 7. --- EXPERIMENT RESULTS AND DISCUSSIONS --- p.121 / Chapter 7.1. --- Cache Test --- p.121 / Chapter 7.2. --- Printer Driver Test --- p.125 / Chapter 7.2.1. --- Testing with 10 points font --- p.126 / Chapter 7.2.2. --- Testing with 12 points font --- p.129 / Chapter 7.2.3. --- Testing with 15 points font --- p.131 / Chapter 7.2.4. --- Testing with 18 points font --- p.134 / Chapter 7.3. --- Time Measurement --- p.136 / Chapter 7.4. --- Discussion --- p.139 / Chapter 7.5. --- Further Improvement --- p.143 / Chapter 8. --- CONCLUSIONS --- p.145 / APPENDIX A. PRINTER DRIVER CLASS --- p.147 / APPENDIX B. SAMPLE OUTPUT --- p.149 / REFERENCES --- p.157
32

Rasterization techniques for Chinese outline fonts.

January 1994 (has links)
Kwong-ho Wu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 72-75). / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Outline Fonts --- p.2 / Chapter 1.1.1 --- Advantages and Disadvantages --- p.4 / Chapter 1.1.2 --- Representations --- p.4 / Chapter 1.1.3 --- Rasterization --- p.5 / Chapter 1.2 --- Introduction to This Thesis --- p.6 / Chapter 1.2.2 --- Organization --- p.7 / Chapter 1.2.1 --- Objectives --- p.7 / Chapter 2 --- Chinese Characters Fonts --- p.8 / Chapter 2.1 --- Large Character Set --- p.8 / Chapter 2.2 --- Font Styles --- p.8 / Chapter 2.3 --- Storage Problems --- p.9 / Chapter 2.4 --- Hierarchical Structure --- p.10 / Chapter 2.5 --- High Stroke Count --- p.11 / Chapter 3 --- Rasterization --- p.13 / Chapter 3.1 --- The Basic Rasterization --- p.13 / Chapter 3.1.1 --- Scan Conversion --- p.14 / Chapter 3.1.2 --- Filling Outline --- p.16 / Chapter 3.2 --- Font Rasterization --- p.17 / Chapter 3.2.1 --- Outline Scaling --- p.17 / Chapter 3.2.2 --- Hintings --- p.17 / Chapter 3.2.3 --- Basic Rasterization Approach for Chinese Fonts --- p.18 / Chapter 3.3 --- Hintings --- p.20 / Chapter 3.3.1 --- Phase Control --- p.20 / Chapter 3.3.2 --- Auto-Hints --- p.21 / Chapter 3.3.3 --- Storage of Hintings Information in TrueType Font and Postscript Font --- p.22 / Chapter 4 --- An Improved Chinese Font Rasterizer --- p.24 / Chapter 4.1 --- Floating Point Avoidance --- p.24 / Chapter 4.2 --- Filling --- p.25 / Chapter 4.2.1 --- Filling with Horizontal Scan Line --- p.25 / Chapter 4.2.2 --- Filling with Vertical Scan Line --- p.27 / Chapter 4.3 --- Hintings --- p.30 / Chapter 4.3.1 --- Assumptions --- p.30 / Chapter 4.3.2 --- Maintaining Regular Strokes Width --- p.30 / Chapter 4.3.3 --- Maintaining Regular Spacing Among Strokes --- p.34 / Chapter 4.3.4 --- Hintings of Single Stroke Contour --- p.42 / Chapter 4.3.5 --- Storing the Hinting Information in Font File --- p.49 / Chapter 4.4 --- A Rasterization Algorithm for Printing --- p.51 / Chapter 4.4.1 --- A Simple Algorithm for Generating Smooth Characters --- p.52 / Chapter 4.4.2 --- Algorithm --- p.54 / Chapter 4.4.3 --- Results --- p.54 / Chapter 5 --- Experiments --- p.56 / Chapter 5.1 --- Apparatus --- p.56 / Chapter 5.2 --- Experiments for Investigating Rasterization Speed --- p.56 / Chapter 5.2.1 --- Investigation into the Effects of Features of Chinese Fonts on Rasterization Time --- p.56 / Chapter 5.2.2 --- Improvement of Fast Rasterizer --- p.57 / Chapter 5.2.3 --- Details of Experiments --- p.57 / Chapter 5.3 --- Experiments for Rasterization Speed of Font File with Hints --- p.57 / Chapter 6 --- Results and Conclusions --- p.58 / Chapter 6.1 --- Observations --- p.58 / Chapter 6.1.1 --- Relationship Between Time for Rasterization and Stroke Count --- p.58 / Chapter 6.1.2 --- Effects of Style --- p.61 / Chapter 6.1.3 --- Investigation into the Observed Relationship --- p.62 / Chapter 6.2 --- Improvement of the Improved Rasterizer --- p.64 / Chapter 6.3 --- Gain and Cost of Inserting Hints into Font File --- p.68 / Chapter 6.3.1 --- Cost --- p.68 / Chapter 6.3.2 --- Gain --- p.68 / Chapter 6.4 --- Conclusions --- p.69 / Chapter 6.5 --- Future Work --- p.69 / Appendix
33

An automated Chinese text processing system (ACCESS): user-friendly interface and feature enhancement.

January 1994 (has links)
Suen Tow Sunny. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 65-67). / Introduction --- p.1 / Chapter 1. --- ACCESS with an Extendible User-friendly X/Chinese Interface --- p.4 / Chapter 1.1. --- System requirement --- p.4 / Chapter 1.1.1. --- User interface issue --- p.4 / Chapter 1.1.2. --- Development issue --- p.5 / Chapter 1.2. --- Development decision --- p.6 / Chapter 1.2.1. --- X window system --- p.6 / Chapter 1.2.2. --- X/Chinese toolkit --- p.7 / Chapter 1.2.3. --- C language --- p.8 / Chapter 1.2.4. --- Source code control system --- p.8 / Chapter 1.3. --- System architecture --- p.9 / Chapter 1.4. --- User interface --- p.10 / Chapter 1.5. --- Sample screen --- p.13 / Chapter 1.6. --- System extension --- p.14 / Chapter 1.7. --- System portability --- p.18 / Chapter 2. --- Study on Algorithms for Automatically Correcting Characters in Chinese Cangjie-typed Text --- p.19 / Chapter 2.1. --- Chinese character input --- p.19 / Chapter 2.1.1. --- Chinese keyboards --- p.20 / Chapter 2.1.2. --- Keyboard redefinition scheme --- p.21 / Chapter 2.2. --- Cangjie input method --- p.24 / Chapter 2.3. --- Review on existing techniques for automatically correcting words in English text --- p.26 / Chapter 2.3.1. --- Nonword error detection --- p.27 / Chapter 2.3.2. --- Isolated-word error correction --- p.28 / Chapter 2.3.2.1. --- Spelling error patterns --- p.29 / Chapter 2.3.2.2. --- Correction techniques --- p.31 / Chapter 2.3.3. --- Context-dependent word correction research --- p.32 / Chapter 2.3.3.1. --- Natural language processing approach --- p.33 / Chapter 2.3.3.2. --- Statistical language model --- p.35 / Chapter 2.4. --- Research on error rates and patterns in Cangjie input method --- p.37 / Chapter 2.5. --- Similarities and differences between Chinese and English typed text --- p.41 / Chapter 2.5.1. --- Similarities --- p.41 / Chapter 2.5.2. --- Differences --- p.42 / Chapter 2.6. --- Proposed algorithm for automatic Chinese text correction --- p.44 / Chapter 2.6.1. --- Sentence level --- p.44 / Chapter 2.6.2. --- Part-of-speech level --- p.45 / Chapter 2.6.3. --- Character level --- p.47 / Conclusion --- p.50 / Appendix A Cangjie Radix Table --- p.51 / Appendix B Sample Text --- p.52 / Article 1 --- p.52 / Article 2 --- p.53 / Article 3 --- p.56 / Article 4 --- p.58 / Appendix C Error Statistics --- p.61 / References --- p.65
34

A DBMS query language in natural Chinese language form.

January 1995 (has links)
by Lam Chin-keung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves 129-135 (2nd gp.)). / ACKNOWLEDGMENTS --- p.I / ABSTRACT --- p.II / TABLE OF CONTENTS --- p.III / LIST OF FIGURES --- p.VI / LIST OF TABLES --- p.VIII / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / Chapter 1.1 --- Motivations --- p.1 / Chapter 1.2 --- Objectives --- p.3 / Chapter 1.3 --- More to go --- p.3 / Chapter 1.4 --- Chapter Summary --- p.4 / Chapter CHAPTER 2 --- RELATED WORK --- p.6 / Chapter 2.1 --- Chinese Related Work --- p.6 / Chapter 2.1.1 --- Chinese Natural Language --- p.6 / Chapter 2.1.2 --- Chinesized Query Language From English --- p.7 / Chapter 2.2 --- High Level Database Query Language --- p.8 / Chapter 2.2.1 --- Relational Algebra vs Relational Calculus --- p.9 / Chapter 2.2.2 --- Procedural vs Declarative --- p.10 / Chapter 2.2.3 --- Natural Language (NL) vs Restricted Natural Language (RNL) --- p.11 / Chapter 2.3 --- Database Query Interface --- p.13 / Chapter 2.3.1 --- Linear Textual Interface --- p.13 / Chapter 2.3.2 --- Form-based Interface --- p.14 / Chapter 2.3.3 --- Graphical Interface --- p.14 / Chapter 2.4 --- Remarks --- p.14 / Chapter CHAPTER 3 --- DESIGN PRINCIPLES --- p.16 / Chapter 3.1 --- Underlying Data Model of the new language --- p.16 / Chapter 3.2 --- Problems Under Attack --- p.17 / Chapter 3.2.1 --- Naturalness --- p.17 / Chapter 3.2.2 --- Procedural vs Declarative --- p.19 / Chapter 3.2.3 --- Supports of Chinese Characters --- p.21 / Chapter 3.3 --- Design Principles --- p.22 / Chapter 3.4 --- Chapter Summary --- p.26 / Chapter CHAPTER 4 --- LANGUAGE DEFINITION --- p.28 / Chapter 4.1 --- Language Overvew --- p.28 / Chapter 4.2 --- The Data Manipulation Language --- p.29 / Chapter 4.2.1 --- Relational Operators --- p.30 / Chapter 4.2.2 --- Rail-Track Diagram of Chiql --- p.32 / Chapter 4.2.3 --- The 11-template --- p.33 / Chapter 4.2.4 --- Chiql Examples --- p.37 / Chapter 4.2.5 --- Common Language Constructs --- p.39 / Chapter 4.2.6 --- ONE issue about GROUP BY and RESTRICTION --- p.41 / Chapter 4.3 --- Other Language Features --- p.42 / Chapter 4.3.1 --- Aggregate Functions --- p.43 / Chapter 4.3.2 --- Attribute Alias --- p.44 / Chapter 4.3.3 --- Conditions in Chinese --- p.45 / Chapter 4.3.4 --- Unquantifed Predicates --- p.45 / Chapter 4.3.5 --- sorting --- p.47 / Chapter 4.4 --- Treatment of Quantified Predicates --- p.48 / Chapter 4.5 --- The Data Definition Language --- p.52 / Chapter 4.5.1 --- Create Table --- p.52 / Chapter 4.5.2 --- Drop Table --- p.54 / Chapter 4.5.3 --- Alter Table --- p.54 / Chapter 4.5.4 --- Insert Row --- p.56 / Chapter 4.5.5 --- Delete Row --- p.56 / Chapter 4.5.6 --- Update Row --- p.57 / Chapter 4.5.7 --- Remarks on DDL --- p.58 / Chapter 4.6 --- Chapter Summary --- p.59 / Chapter CHAPTER 5 --- END-USER INTERFACE --- p.61 / Chapter 5.1 --- EUI Overview --- p.61 / Chapter 5.2 --- Design Principles --- p.62 / Chapter 5.2.1 --- Language Independent Aspects --- p.62 / Chapter 5.2.2 --- Language Dependent Aspects --- p.64 / Chapter 5.3 --- Complex Condition Handling --- p.68 / Chapter 5.4 --- Input Sequences of the EUI --- p.71 / Chapter 5.5 --- Query Formulation: An Example --- p.73 / Chapter 5.6 --- Chapter Summary --- p.85 / Chapter CHAPTER 6 --- CHIQL TO SQL TRANSLATIONS --- p.86 / Chapter 6.1 --- Related Work --- p.87 / Chapter 6.2 --- Translation Overview --- p.87 / Chapter 6.2.1 --- "Pass One:Mapping( Input = Chiql, Output = multi-statement SQL)" --- p.89 / Chapter 6.2.2 --- "Pass Two:Nesting(Input = multi-statement SQL, Output = single statement SQL)" --- p.92 / Chapter 6.2.3 --- Technical Difficulties in Chiql/SQL Translation --- p.99 / Chapter 6.3 --- Chapter Summary --- p.106 / Chapter CHAPTER 7 --- EVALUATION --- p.108 / Chapter 7.1 --- Expressiveness Test --- p.108 / Chapter 7.1.1 --- Results --- p.109 / Chapter 7.1.2 --- Implications --- p.111 / Chapter 7.2 --- Usability Evaluation --- p.111 / Chapter 7.2.1 --- Evaluation Methodology --- p.112 / Chapter 7.2.2 --- Result:Completion Time --- p.113 / Chapter 7.2.3 --- Result: Additional Help --- p.116 / Chapter 7.2.4 --- Result: Query Error --- p.116 / Chapter 7.2.5 --- Result: Overall Score --- p.118 / Chapter 7.2.6 --- User Comments --- p.120 / Chapter 7.3 --- Chapter Summary --- p.120 / Chapter CHAPTER 8 --- CONCLUSIONS --- p.122 / Chapter 8.1 --- Thesis Conclusions --- p.122 / Chapter 8.2 --- Future Work --- p.124 / REFERENCES / APPENDIX
35

A new approach for extracting inter-word semantic relationship from a contemporary Chinese thesaurus.

January 1995 (has links)
by Lam Sze-sing. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves 119-123). / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / Chapter 1.1 --- Introduction --- p.1 / Chapter 1.2 --- Statement of Thesis --- p.5 / Chapter 1.3 --- Organization of this Thesis --- p.6 / Chapter CHAPTER 2 --- RELATED WORK --- p.8 / Chapter 2.1 --- Overview --- p.8 / Chapter 2.2 --- Corpus-Based Knowledge Acquisition --- p.12 / Chapter 2.3 --- Linguistic-Based Knowledge Acquisition --- p.18 / Chapter 2.3.1 --- Knowledge Acquisition from Standard Dictionaries --- p.18 / Chapter 2.3.2 --- Knowledge Acquisition from Standard Thesauri --- p.23 / Chapter 2.4 --- Remarks --- p.24 / Chapter CHAPTER 3 --- A METHOD TO EXTRACT THE INTER-WORD SEMANTIC RELATIONSHIP FROM《同義詞詞林》 --- p.25 / Chapter 3.1 --- Background --- p.25 / Chapter 3.1.1 --- Structure of《《同義詞詞林》 --- p.26 / Chapter 3.1.2 --- Knowledge Representation of a Machine Tractable Thesaurus --- p.28 / Chapter 3.1.3 --- Extracting the Semantic Knowledge by Simple Co-occurrence --- p.28 / Chapter 3.2 --- Association Network --- p.31 / Chapter 3.3 --- Semantic Association Model --- p.33 / Chapter 3.3.1 --- Problems with the Simple Co-occurrence Method --- p.34 / Chapter 3.3.2 --- Methodology of Semantic Association Model --- p.39 / Chapter 3.4 --- Inter-word Semantic Function ..… --- p.51 / Chapter CHAPTER 4 --- NOUN-VERB-NOUN COMPOUND WORD DETECTION : AN EXPERIMENT --- p.55 / Chapter 4.1 --- Overview --- p.56 / Chapter 4.2 --- N-V-N Compound Word Detection Model --- p.61 / Chapter 4.3 --- Experimental Results of N-V-N Compound Word Detection --- p.63 / Chapter CHAPTER 5 --- WORD SENSE DISAMBIGUATION : AN APPLICATION … --- p.66 / Chapter 5.1 --- Overview --- p.67 / Chapter 5.2 --- Word-Sense Disambiguation Model --- p.72 / Chapter 5.2.1 --- Linguistic Resource --- p.72 / Chapter 5.2.2 --- The LSD-C Algorithm --- p.73 / Chapter 5.2.3 --- LSD-C in Action --- p.78 / Chapter 5.3 --- Experimental Results of Word Sense Disambiguation --- p.83 / Chapter CHAPTER 6 --- CONCLUSIONS & FURTHER RESEARCH --- p.93 / Chapter 6.1 --- Conclusions --- p.93 / Chapter 6.2 --- Further Research --- p.96 / Chapter 6.2.1 --- Enriching the Knowledge --- p.96 / Chapter 6.2.2 --- Enhancing the N-V-N Compound Word Detection Model --- p.98 / Chapter 6.2.3 --- Enhancing the LSD-C Algorithm --- p.99 / APPENDICES --- p.101 / Appendix A - Dependency Grammar --- p.101 / Appendix B - Sample Articles from a Local Chinese Newspaper --- p.104 / Appendix C - Ambiguous Words with the Senses Given by《現代漢語詞 典》 --- p.108 / Appendix D - List of Stop Words for the Testing Samples --- p.117 / REFERENCES --- p.119
36

Text segmentation and error detection for Chinese spell checking.

January 1999 (has links)
Ng Mau Kit Michael. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (leaves 117-120). / Abstract and appendix in English and Chinese. / Abstract --- p.i / Acknowledgments --- p.iv / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Background Knowledge and Basic Concepts --- p.7 / Chapter 2.1 --- Classification of Natural Languages --- p.7 / Chapter 2.2 --- Chinese Spell Checking --- p.9 / Chapter 2.3 --- Characteristics of Chinese --- p.12 / Chapter 2.3.1 --- Word Frequency and Statistical Information of Chinese Words --- p.12 / Chapter 2.3.2 --- Chinese Grammar --- p.15 / Chapter 2.3.2.1 --- Word Class --- p.15 / Chapter 2.3.2.2 --- Grammar Rules --- p.17 / Chapter 3 --- Problems with Chinese Spell Checking and Related Work --- p.18 / Chapter 3.1 --- Ambiguities --- p.19 / Chapter 3.2 --- Unknown Words --- p.20 / Chapter 3.3 --- Text Errors --- p.21 / Chapter 3.4 --- Combinatory Explosion --- p.23 / Chapter 3.5 --- Related Work --- p.26 / Chapter 4 --- The Chinese Spell Checking System --- p.33 / Chapter 4.1 --- Architecutre of the Chinese Spell Checking System (CSCS) --- p.35 / Chapter 4.2 --- The Segmenter and the Error Detector --- p.39 / Chapter 5 --- The Block-of-Combinations Segmentation Algorithm and Error Detection --- p.42 / Chapter 5.1 --- Single-character-word Function --- p.43 / Chapter 5.2 --- Segmentation Strategy --- p.46 / Chapter 5.3 --- Maximum Number of Combinations of the BOC --- p.51 / Chapter 5.4 --- A Case Study of the BOC --- p.54 / Chapter 5.5 --- Evaluation of the BOC --- p.59 / Chapter 5.5.1 --- Accuracy --- p.59 / Chapter 5.5.2 --- Speed --- p.61 / Chapter 5.5.3 --- Discussion --- p.62 / Chapter 5.6 --- Experiments on Error Detection for the BOC --- p.63 / Chapter 5.6.1 --- Experimental Results of the Error Detection for the BOC --- p.65 / Chapter 6 --- The Genetic Algorithm Segmentation Method --- p.69 / Chapter 6.1 --- Basic Concepts of Genetic Algorithm --- p.69 / Chapter 6.2 --- Genetic Algorithm Model --- p.73 / Chapter 6.2.1 --- Chromosome Representation --- p.75 / Chapter 6.2.2 --- The Flow of the GAS --- p.76 / Chapter 6.2.2.1 --- Crossover --- p.77 / Chapter 6.2.2.2 --- Replacement --- p.78 / Chapter 6.2.2.3 --- Mutation --- p.80 / Chapter 6.2.2.4 --- Termination Criteria --- p.80 / Chapter 6.2.3 --- Fitness Function --- p.81 / Chapter 6.2.3.1 --- Single-character-word Function --- p.82 / Chapter 6.2.3.2 --- Known-word Function and Unknown-word Function --- p.83 / Chapter 6.2.3.3 --- Grammar Rules Scoring Function --- p.83 / Chapter 6.3 --- Maximum Number of Combinations of the GAS --- p.86 / Chapter 6.4 --- Evaluation of the GAS --- p.86 / Chapter 6.5 --- Discussion --- p.88 / Chapter 7 --- The Improved-BOC Algorithm for Handling Unknown Words and Errors --- p.90 / Chapter 7.1 --- Segmentation Principle of the Improved-BOC Method --- p.91 / Chapter 7.2 --- Improvement of the Scoring Function --- p.93 / Chapter 7.2.1 --- The Choice of Grammar Rules --- p.93 / Chapter 7.2.2 --- Phrase-structure Style --- p.96 / Chapter 7.2.3 --- Computer Model of Grammar Rules for Handling Unknown Words --- p.98 / Chapter 7.3 --- Evaluation of Segmentation --- p.102 / Chapter 7.4 --- Error Detection --- p.104 / Chapter 7.4.1 --- Evaluation of Error Detection --- p.106 / Chapter 7.5 --- Discussion --- p.108 / Chapter 7.6 --- "Comparison between the MM, BOC, GA and Improved-BOC" --- p.109 / Chapter 8 --- Conclusion --- p.114 / Bibliography --- p.117 / Appendix A: Sample Result of the Genetic Algorithm Segmentation Method --- p.121 / Appendix B: Set of Grammar Rules --- p.123
37

M&A2: a complete associative word network based Chinese document search engine.

January 2001 (has links)
Hu Ke. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (leaves 56-58). / Abstracts in English and Chinese.
38

Semi-automatic acquisition of domain-specific semantic structures.

January 2000 (has links)
Siu, Kai-Chung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 99-106). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Thesis Outline --- p.5 / Chapter 2 --- Background --- p.6 / Chapter 2.1 --- Natural Language Understanding --- p.6 / Chapter 2.1.1 --- Rule-based Approaches --- p.7 / Chapter 2.1.2 --- Stochastic Approaches --- p.8 / Chapter 2.1.3 --- Phrase-Spotting Approaches --- p.9 / Chapter 2.2 --- Grammar Induction --- p.10 / Chapter 2.2.1 --- Semantic Classification Trees --- p.11 / Chapter 2.2.2 --- Simulated Annealing --- p.12 / Chapter 2.2.3 --- Bayesian Grammar Induction --- p.12 / Chapter 2.2.4 --- Statistical Grammar Induction --- p.13 / Chapter 2.3 --- Machine Translation --- p.14 / Chapter 2.3.1 --- Rule-based Approach --- p.15 / Chapter 2.3.2 --- Statistical Approach --- p.15 / Chapter 2.3.3 --- Example-based Approach --- p.16 / Chapter 2.3.4 --- Knowledge-based Approach --- p.16 / Chapter 2.3.5 --- Evaluation Method --- p.19 / Chapter 3 --- Semi-Automatic Grammar Induction --- p.20 / Chapter 3.1 --- Agglomerative Clustering --- p.20 / Chapter 3.1.1 --- Spatial Clustering --- p.21 / Chapter 3.1.2 --- Temporal Clustering --- p.24 / Chapter 3.1.3 --- Free Parameters --- p.26 / Chapter 3.2 --- Post-processing --- p.27 / Chapter 3.3 --- Chapter Summary --- p.29 / Chapter 4 --- Application to the ATIS Domain --- p.30 / Chapter 4.1 --- The ATIS Domain --- p.30 / Chapter 4.2 --- Parameters Selection --- p.32 / Chapter 4.3 --- Unsupervised Grammar Induction --- p.35 / Chapter 4.4 --- Prior Knowledge Injection --- p.40 / Chapter 4.5 --- Evaluation --- p.43 / Chapter 4.5.1 --- Parse Coverage in Understanding --- p.45 / Chapter 4.5.2 --- Parse Errors --- p.46 / Chapter 4.5.3 --- Analysis --- p.47 / Chapter 4.6 --- Chapter Summary --- p.49 / Chapter 5 --- Portability to Chinese --- p.50 / Chapter 5.1 --- Corpus Preparation --- p.50 / Chapter 5.1.1 --- Tokenization --- p.51 / Chapter 5.2 --- Experiments --- p.52 / Chapter 5.2.1 --- Unsupervised Grammar Induction --- p.52 / Chapter 5.2.2 --- Prior Knowledge Injection --- p.56 / Chapter 5.3 --- Evaluation --- p.58 / Chapter 5.3.1 --- Parse Coverage in Understanding --- p.59 / Chapter 5.3.2 --- Parse Errors --- p.60 / Chapter 5.4 --- Grammar Comparison Across Languages --- p.60 / Chapter 5.5 --- Chapter Summary --- p.64 / Chapter 6 --- Bi-directional Machine Translation --- p.65 / Chapter 6.1 --- Bilingual Dictionary --- p.67 / Chapter 6.2 --- Concept Alignments --- p.68 / Chapter 6.3 --- Translation Procedures --- p.73 / Chapter 6.3.1 --- The Matching Process --- p.74 / Chapter 6.3.2 --- The Searching Process --- p.76 / Chapter 6.3.3 --- Heuristics to Aid Translation --- p.81 / Chapter 6.4 --- Evaluation --- p.82 / Chapter 6.4.1 --- Coverage --- p.83 / Chapter 6.4.2 --- Performance --- p.86 / Chapter 6.5 --- Chapter Summary --- p.89 / Chapter 7 --- Conclusions --- p.90 / Chapter 7.1 --- Summary --- p.90 / Chapter 7.2 --- Future Work --- p.92 / Chapter 7.2.1 --- Suggested Improvements on Grammar Induction Process --- p.92 / Chapter 7.2.2 --- Suggested Improvements on Bi-directional Machine Trans- lation --- p.96 / Chapter 7.2.3 --- Domain Portability --- p.97 / Chapter 7.3 --- Contributions --- p.97 / Bibliography --- p.99 / Chapter A --- Original SQL Queries --- p.107 / Chapter B --- Induced Grammar --- p.109 / Chapter C --- Seeded Categories --- p.111
39

Transformational tagging for topic tracking in natural language.

January 2000 (has links)
Ip Chun Wah Timmy. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 113-120). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Topic Detection and Tracking --- p.2 / Chapter 1.1.1 --- What is a Topic? --- p.3 / Chapter 1.1.2 --- What is Topic Tracking? --- p.4 / Chapter 1.2 --- Research Contributions --- p.4 / Chapter 1.2.1 --- Named Entity Tagging --- p.5 / Chapter 1.2.2 --- Handling Unknown Words --- p.6 / Chapter 1.2.3 --- Named-Entity Approach in Topic Tracking --- p.7 / Chapter 1.3 --- Organization of Thesis --- p.7 / Chapter 2 --- Background --- p.9 / Chapter 2.1 --- Previous Developments in Topic Tracking --- p.10 / Chapter 2.1.1 --- BBN's Tracking System --- p.10 / Chapter 2.1.2 --- CMU's Tracking System --- p.11 / Chapter 2.1.3 --- Dragon's Tracking System --- p.12 / Chapter 2.1.4 --- UPenn's Tracking System --- p.13 / Chapter 2.2 --- Topic Tracking in Chinese --- p.13 / Chapter 2.3 --- Part-of-Speech Tagging --- p.15 / Chapter 2.3.1 --- A Brief Overview of POS Tagging --- p.15 / Chapter 2.3.2 --- Transformation-based Error-Driven Learning --- p.18 / Chapter 2.4 --- Unknown Word Identification --- p.20 / Chapter 2.4.1 --- Rule-based approaches --- p.21 / Chapter 2.4.2 --- Statistical approaches --- p.23 / Chapter 2.4.3 --- Hybrid approaches --- p.24 / Chapter 2.5 --- Information Retrieval Models --- p.25 / Chapter 2.5.1 --- Vector-Space Model --- p.26 / Chapter 2.5.2 --- Probabilistic Model --- p.27 / Chapter 2.6 --- Chapter Summary --- p.28 / Chapter 3 --- System Overview --- p.29 / Chapter 3.1 --- Segmenter --- p.30 / Chapter 3.2 --- TEL Tagger --- p.31 / Chapter 3.3 --- Unknown Words Identifier --- p.32 / Chapter 3.4 --- Topic Tracker --- p.33 / Chapter 3.5 --- Chapter Summary --- p.34 / Chapter 4 --- Named Entity Tagging --- p.36 / Chapter 4.1 --- Experimental Data --- p.37 / Chapter 4.2 --- Transformational Tagging --- p.41 / Chapter 4.2.1 --- Notations --- p.41 / Chapter 4.2.2 --- Corpus Utilization --- p.42 / Chapter 4.2.3 --- Lexical Rules --- p.42 / Chapter 4.2.4 --- Contextual Rules --- p.47 / Chapter 4.3 --- Experiment and Result --- p.49 / Chapter 4.3.1 --- Lexical Tag Initialization --- p.50 / Chapter 4.3.2 --- Contribution of Lexical and Contextual Rules --- p.52 / Chapter 4.3.3 --- Performance on Unknown Words --- p.56 / Chapter 4.3.4 --- A Possible Benchmark --- p.57 / Chapter 4.3.5 --- Comparison between TEL Approach and the Stochas- tic Approach --- p.58 / Chapter 4.4 --- Chapter Summary --- p.59 / Chapter 5 --- Handling Unknown Words in Topic Tracking --- p.62 / Chapter 5.1 --- Overview --- p.63 / Chapter 5.2 --- Person Names --- p.64 / Chapter 5.2.1 --- Forming possible named entities from OOV by group- ing n-grams --- p.66 / Chapter 5.2.2 --- Overlapping --- p.69 / Chapter 5.3 --- Organization Names --- p.71 / Chapter 5.4 --- Location Names --- p.73 / Chapter 5.5 --- Dates and Times --- p.74 / Chapter 5.6 --- Chapter Summary --- p.75 / Chapter 6 --- Topic Tracking in Chinese --- p.77 / Chapter 6.1 --- Introduction of Topic Tracking --- p.78 / Chapter 6.2 --- Experimental Data --- p.79 / Chapter 6.3 --- Evaluation Methodology --- p.81 / Chapter 6.3.1 --- Cost Function --- p.82 / Chapter 6.3.2 --- DET Curve --- p.83 / Chapter 6.4 --- The Named Entity Approach --- p.85 / Chapter 6.4.1 --- Designing the Named Entities Set for Topic Tracking --- p.85 / Chapter 6.4.2 --- Feature Selection --- p.86 / Chapter 6.4.3 --- Integrated with Vector-Space Model --- p.87 / Chapter 6.5 --- Experimental Results and Analysis --- p.91 / Chapter 6.5.1 --- Notations --- p.92 / Chapter 6.5.2 --- Stopword Elimination --- p.92 / Chapter 6.5.3 --- TEL Tagging --- p.95 / Chapter 6.5.4 --- Unknown Word Identifier --- p.100 / Chapter 6.5.5 --- Error Analysis --- p.106 / Chapter 6.6 --- Chapter Summary --- p.108 / Chapter 7 --- Conclusions and Future Work --- p.110 / Chapter 7.1 --- Conclusions --- p.110 / Chapter 7.2 --- Future Work --- p.111 / Bibliography --- p.113 / Chapter A --- The POS Tags --- p.121 / Chapter B --- Surnames and transliterated characters --- p.123 / Chapter C --- Stopword List for Person Name --- p.126 / Chapter D --- Organization suffixes --- p.127 / Chapter E --- Location suffixes --- p.128 / Chapter F --- Examples of Feature Table (Train set with condition D410) --- p.129
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Automatic topic detection of multi-lingual news stories.

January 2000 (has links)
Wong Kam Lai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 92-98). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Our Contributions --- p.5 / Chapter 1.2 --- Organization of this Thesis --- p.5 / Chapter 2 --- Literature Review --- p.7 / Chapter 2.1 --- Dragon Systems --- p.7 / Chapter 2.2 --- Carnegie Mellon University (CMU) --- p.9 / Chapter 2.3 --- University of Massachusetts (UMass) --- p.10 / Chapter 2.4 --- IBM T.J. Watson Research Center --- p.11 / Chapter 2.5 --- BBN Technologies --- p.12 / Chapter 2.6 --- National Taiwan University (NTU) --- p.13 / Chapter 2.7 --- Drawbacks of Existing Approaches --- p.14 / Chapter 3 --- Overview of Proposed Approach --- p.15 / Chapter 3.1 --- News Source --- p.15 / Chapter 3.2 --- Story Preprocessing --- p.18 / Chapter 3.3 --- Concept Term Generation --- p.20 / Chapter 3.4 --- Named Entity Extraction --- p.21 / Chapter 3.5 --- Gross Translation of Chinese to English --- p.21 / Chapter 3.6 --- Topic Detection method --- p.22 / Chapter 3.6.1 --- Deferral Period --- p.22 / Chapter 3.6.2 --- Detection Approach --- p.23 / Chapter 4 --- Concept Term Model --- p.25 / Chapter 4.1 --- Background of Contextual Analysis --- p.25 / Chapter 4.2 --- Concept Term Generation --- p.28 / Chapter 4.2.1 --- Concept Generation Algorithm --- p.28 / Chapter 4.2.2 --- Concept Term Representation for Detection --- p.33 / Chapter 5 --- Topic Detection Model --- p.35 / Chapter 5.1 --- Text Representation and Term Weights --- p.35 / Chapter 5.1.1 --- Story Representation --- p.35 / Chapter 5.1.2 --- Topic Representation --- p.43 / Chapter 5.1.3 --- Similarity Score --- p.43 / Chapter 5.1.4 --- Time adjustment scheme --- p.46 / Chapter 5.2 --- Gross Translation Method --- p.48 / Chapter 5.3 --- The Detection System --- p.50 / Chapter 5.3.1 --- Detection Requirement --- p.50 / Chapter 5.3.2 --- The Top Level Model --- p.52 / Chapter 5.4 --- The Clustering Algorithm --- p.55 / Chapter 5.4.1 --- Similarity Calculation --- p.55 / Chapter 5.4.2 --- Grouping Related Elements --- p.56 / Chapter 5.4.3 --- Topic Identification --- p.60 / Chapter 6 --- Experimental Results and Analysis --- p.63 / Chapter 6.1 --- Evaluation Model --- p.63 / Chapter 6.1.1 --- Evaluation Methodology --- p.64 / Chapter 6.2 --- Experiments on the effects of tuning the parameter --- p.68 / Chapter 6.2.1 --- Experiment Setup --- p.68 / Chapter 6.2.2 --- Results and Analysis --- p.69 / Chapter 6.3 --- Experiments on the effects of named entities and concept terms --- p.74 / Chapter 6.3.1 --- Experiment Setup --- p.74 / Chapter 6.3.2 --- Results and Analysis --- p.75 / Chapter 6.4 --- Experiments on the effect of using time adjustment --- p.77 / Chapter 6.4.1 --- Experiment Setup --- p.77 / Chapter 6.4.2 --- Results and Analysis --- p.79 / Chapter 6.5 --- Experiments on mono-lingual detection --- p.80 / Chapter 6.5.1 --- Experiment Setup --- p.80 / Chapter 6.5.2 --- Results and Analysis --- p.80 / Chapter 7 --- Conclusions and Future Work --- p.83 / Chapter 7.1 --- Conclusions --- p.83 / Chapter 7.2 --- Future Work --- p.85 / Chapter A --- List of Topics annotated for TDT3 Corpus --- p.86 / Chapter B --- Matching evaluation topics to hypothesized topics --- p.90 / Bibliography --- p.92

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