Chapter 5. Metadata Records （第五章：元数据记录）
5. Basic Requirements
5.2 Conceptual Models
5.2. Metadata Statement, Description, and Description Set
5.2.2 Relationships Between Resources
5.2.3 Content-oriented Model for the Bibliographic Universe
5.3 Levels of Granularity
5.3.1 Item and Collection Records
5.3.2 Resource Decomposition
5.4 Metadata Sources
5.4.1 Manual Generation of Metadata
5.4.2 Automatic Generation of Metadata
5.4.3 Combination Manual and Automatic Methods
5.4.4 Harvested Metadata Records
5.4.5 Converted Metadata Records
5.5 Encoding Metadata
5.5.1 Metadata Storage
5.5.2 Expressing Metadata in HTML/XHTML
5.5.3 Expressing Metadata in XML
5.5.4 Expressing Metadata in XML/RDF
5.6 Linkage, Wrapper, Display, and Parallel Metadata
5.6.1 Linking Between Descriptions for Different Resources
5.6.2 Wrapping
5.6.3 Encoding for Display
5.6.4 Encoding for Bilingual Metadata Statements
5.7 Combing Metadata Descriptions
5.7.1 METS
5.7.2 RDF
5.7.3 Aggregation
5.7.4 Conclusion
Suggested Readings
Exercises

Part III. Metadata Services （第三部分：元数据服务）

Chapter 6. Metadata Services （第六章：元数据服务）
6. What Are Metadata Services?
6.2 Infrastructure for Metadata Services
6.3 Metadata Registries
6.3.1 Purposes
6.3.2 Functional Requirements
6.3.3 Types
6.3.4 Essential Components
6.4. Metadata Repositories
6.4.1 Characteristics of Metadata Repositories
6.4.2 Introduction to the Harvesting Model
6.4.3 OAI-PMH Commands
6.4.4 Support for Multiple-Record Formats in OAI-PMH
6.5 Ensuring Optimal Metadata Discovery
6.5.1 Metadata Retrieval
6.5.2 Metadata Exposure Methods
6.5.3 Other Approaches
6.6 Summary
Suggested Readings
Exercises

Chapter 7. Metadata Quality Measurement and Improvement （第七章：元数据质量评测和改进）
7.1 Quality of Metadata
7.2 Functional Requirements of Metadata Systems
7.3 Quality Measurement with Different Granularities
7.4 Measurement Indicators
7.4.1 Completeness
7.4.2 Correctness
7.4.3 Consistency
7.4.4 Duplication Analysis
7.5 Metadata Evaluation Methodology
7.6 Enhancing Quality of Metadata
Suggested Readings
Exercises

Chapter 8. Achieving Interoperability （第八章：实现互操作性）
8.1 Definitions
8.2 Metadata Decisions at Different Stages of a Digital Library Project
8.3 Achieving Interoperability at the Schema Level
8.3.1 Derivation
8.3.2 Application Profiles (APs)
8.3.3 Crosswalks
8.3.4 Frameworks
8.3.5 Metadata Registries
8.4 Achieving Interoperability at the Record Level
8.4.1 Conversion of Metadata Records
8.4.2 Data Reuse and Integration
8.5 Achieving Interoperability at the Repository Level
8.5.1 Metadata Repository Based on the Open Archives Initiative (OAI) Protocol
8.5.2 Metadata Repository Supporting Multiple Formats Without Record Conversion
8.5.3 Aggregation and Enriched Metadata Records in a Repository
8.5.4 Element-based and Value-based Crosswalking Services
8.5.5 Value-based Mapping for Cross-database Searching
8.5.6 Value-based Co-occurrence Mapping
8.6 Conclusion
Suggested Readings
Exercises

Part IV. Metadata Outlook in Research （第四部分：元数据研究展望）

Chapter 9. Metadata Research Landscape （第九章：元数据研究图景）
9.1 Research in Metadata Architecture
9.2 Research in Metadata Modeling
9.3 Research in Metadata Semantics
9.4 Conclusions
Suggested Readings
Exercise
Appendices: Sources and References （附录：原始文献和参考资料）
Appendix A. Metadata Standards （附录A：元数据标准）
Appendix B. Value Encoding Schemes and Content Standards （值编码方案和内容标准）
Standardized Vocabularies
Subject Headings Lists and Thesauri
Classification Schemes
General
Special
Name Authority Lists
Content Standards and Best Practice Guides
Glossary
Bibliography and Sources of Further Information
Index
About the Authors