| Contents | 6 |
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| Members of the IFLA Working Group on the Functional Requirements for Subject Authority Records (FRSAR) | 8 |
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| 1. Background | 10 |
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| 2. Purpose and Scope | 12 |
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| 2.1 Purpose | 12 |
| 2.2 Scope | 13 |
| 2.3 Aboutness and Ofness | 14 |
| 2.4 Method | 15 |
| 2.5 Components of the Study | 16 |
| 3. Entities | 18 |
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| 3.1 Diagramming Conventions | 18 |
| 3.2 General Framework | 18 |
| 3.3 Choice of Terms for FRSAD Entities | 20 |
| 3.4 THEMA | 20 |
| 3.5 NOMEN | 22 |
| 4. Attributes | 24 |
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| 4.1 Attributes of a THEMA | 24 |
| 4.2 Attributes of a NOMEN | 26 |
| 5. Relationships | 30 |
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| 5.1 WORK-to-THEMA Relationship | 30 |
| 5.2 THEMA-to-NOMEN Relationship | 30 |
| 5.3 THEMA-to-THEMA Relationships | 31 |
| 5.4 NOMEN-to-NOMEN Relationships | 35 |
| 6. User Tasks | 38 |
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| 6.1 Users and Use | 38 |
| 6.2 User Tasks | 39 |
| 6.3 Assessing Values Relative to User Tasks | 40 |
| 6.4 Mapping of Attributes, Relationships, and User Tasks | 42 |
| 7. Conclusion | 44 |
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| Appendix A. Modeling Aboutness | 46 |
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| A.1 Subject Relationship and Group 3 Entities Introduced in FRBR | 46 |
| A.2 Possible Approaches to the Model of Aboutness | 47 |
| Appendix B. Relationship of FRSAD with FRBR and FRAD | 52 |
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| B.1 Relationship of FRSAD with FRBR | 52 |
| B.2 Relationship of FRSAD with FRAD | 53 |
| Appendix C. FRSAD Model and Other Models | 56 |
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| C.1 The Importance of the THEMA-NOMEN Model | 56 |
| C.2 Mapping the FRSAD Model to Other Models | 57 |
| C.3 Conclusion | 58 |
| Appendix D. Examples from Subject Authority Systems | 60 |
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| D.1 Existing Models of THEMA Types | 60 |
| D.2 THEMA-THEMA Relationships presented in Subject Authority Data | 64 |
| D.3 Same THEMA Represented by NOMENs from Different Schemes | 73 |
| D.4 Examples of Display Records from Controlled Vocabularies or Subject Authority Files | 74 |
| References | 80 |
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