Chapter 1 Introduction
1.2 Discussions on KE methods
Chapter 2 Information retrieval: the ultimate goal
2.1 Introduction
2.3.1 Free text string searching
2.4.1 The Vector Space Model
2.4.2 Probabilistic approaches
2.4.3 Document classification and clustering
2.5 Linguistic approaches to IR
2.5.1 Problems with statistical methods
2.5.2 Non-statistical methods
2.7 Nominal phrases
2.7.1 Significance
2.7.2 Phrase detection and extraction
2.7.3 Base NPs
2.8 Summary
Chapter 3 Web search and relevance: trigger and rationale
3.1 Web search: a good landing for IR discussions
3.2 The "hypertext challenge"?
3.3 Search engines: performance and problems
3.4 IR and relevance
3.5 Relevance studies
3.5.1 Anatomy of the concept
3.5.2 Relevance assessment variation
3.5.3 System-oriented relevance ,
3.5.4 User-oriented relevance
3.5.5 System-oriented definitions of relevance
3.6 Discussion and re-definition
Chapter 4 Keyword extraction: methodology and practices
4.1 KE: a good aid for IR
4.2 What is "topic"?
4.3 KE review
4.3.1 Text segmentation and topic extraction
……
Chapter 5 Experiments
Chapter 6 Conclusions and further research
Bibliography
Appendices
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