Finding structure and characteristic of web documents for classification.

• Other Authors: Wong, Wai Ching.
• Format: Others
• Language: English; Chinese
• Published: 2000
• Subjects: World Wide Web; Information organization; Web search engines
• Online Access: http://library.cuhk.edu.hk/record=b5890340; http://repository.lib.cuhk.edu.hk/en/item/cuhk-323129

by Wong, Wai Ching. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. === Includes bibliographical references (leaves 91-94). === Abstracts in English and Chinese. === Abstract --- p.ii === Acknowledgments --- p.v === Chapter 1 --- Introduction --- p.1 === Chapter 1.1 --- Semistructured Data --- p.2 === Chapter 1.2 --- Problem Addressed in the Thesis --- p.4 === Chapter 1.2.1 --- Labels and Values --- p.4 === Chapter 1.2.2 --- Discover Labels for the Same Attribute --- p.5 === Chapter 1.2.3 --- Classifying A Web Page --- p.6 === Chapter 1.3 --- Organization of the Thesis --- p.8 === Chapter 2 --- Background --- p.8 === Chapter 2.1 --- Related Work on Web Data --- p.8 === Chapter 2.1.1 --- Object Exchange Model (OEM) --- p.9 === Chapter 2.1.2 --- Schema Extraction --- p.11 === Chapter 2.1.3 --- Discovering Typical Structure --- p.15 === Chapter 2.1.4 --- Information Extraction of Web Data --- p.17 === Chapter 2.2 --- Automatic Text Processing --- p.19 === Chapter 2.2.1 --- Stopwords Elimination --- p.19 === Chapter 2.2.2 --- Stemming --- p.20 === Chapter 3 --- Web Data Definition --- p.22 === Chapter 3.1 --- Web Page --- p.22 === Chapter 3.2 --- Problem Description --- p.27 === Chapter 4 --- Hierarchical Structure --- p.32 === Chapter 4.1 --- Types of HTML Tags --- p.33 === Chapter 4.2 --- Tag-tree --- p.36 === Chapter 4.3 --- Hierarchical Structure Construction --- p.41 === Chapter 4.4 --- Hierarchical Structure Statistics --- p.50 === Chapter 5 --- Similar Labels Discovery --- p.53 === Chapter 5.1 --- Expression of Hierarchical Structure --- p.53 === Chapter 5.2 --- Labels Discovery Algorithm --- p.55 === Chapter 5.2.1 --- Phase 1: Remove Non-label Nodes --- p.57 === Chapter 5.2.2 --- Phase 2: Identify Label Nodes --- p.61 === Chapter 5.2.3 --- Phase 3: Discover Similar Labels --- p.66 === Chapter 5.3 --- Performance Evaluation of Labels Discovery Algorithm --- p.76 === Chapter 5.3.1 --- Phase 1 Results --- p.75 === Chapter 5.3.2 --- Phase 2 Results --- p.77 === Chapter 5.3.3 --- Phase 3 Results --- p.81 === Chapter 5.4 --- Classifying a Web Page --- p.83 === Chapter 5.4.1 --- Similarity Measurement --- p.84 === Chapter 5.4.2 --- Performance Evaluation --- p.86 === Chapter 6 --- Conclusion --- p.89