Constructing the Collection Model Mike Heaney Oxford University
- Slides: 16
Constructing the Collection Model Mike Heaney Oxford University Library Services RSLP-CD
The Brief • Provide an abstract representation to model – the types of collections that exist – the entities that are relevant to collections – the relations between them • Take note of – the various strands of RSLP activity – the variety of existing models and schemata 2/25/2021 RSLP-CD 2
The Collection Description Model • • • Models collections and their description Is hospitable to all types of material Not just digital Not tied to an implementation Models structure not transactions Tries to get it right not make it easy 2/25/2021 RSLP-CD 3
What is a Collection? • • Natural objects Created objects Digital objects Substitutes for objects – surrogates – metadata! 2/25/2021 RSLP-CD 4
How the model was constructed (1) Collection Title Description Subject Date Item subjects Item dates Item formats. . . 2/25/2021 RSLP-CD and so on. . . 5
How the model was constructed (2) Content Collector Item Owner Collection 2/25/2021 RSLP-CD 6
Agents and Objects • Agents – Necessary to initiate action – Have rights – Rights are important • Objects – Inanimate 2/25/2021 RSLP-CD 7
The Full Model: A Collection 2/25/2021 RSLP-CD 8
Collection Description • • • Four types: Colln Unitary Finding-Aid ü Calendar (Hierarchic) ü Catalogue (Analytic) Index Item Cont ü ü ü ¶RSLP focused on Unitary Finding-Aids 2/25/2021 RSLP-CD 9
From Collection to Collection Description 2/25/2021 RSLP-CD 10
The Full Model: a Collection Description 2/25/2021 RSLP-CD 11
Stripped Down Relationships 2/25/2021 RSLP-CD 12
The CD Schema 2/25/2021 RSLP-CD 13
Modelling External Relations • This model provides a structure for a single record • External relations are relations between records • A model of external relations is a model for a catalogue structure 2/25/2021 RSLP-CD 14
Mapping External Relations UFA 3 Is-Desc’d-By Cal’r 2 UFA 1 2/25/2021 UFA 2 Index 1 Is-Desc’d-By Has-Version Is-Desc’d-By Index 2 Is-Desc’d-By Cal’r 1 Mfm Is-Desc’d-By Has-Version Colln 1 RSLP-CD Has-Part Colln 2 15
And so. . . • • • The model is abstract It models static not dynamic relations It is multi-layered It is just a model for one instance The CD Schema is an implementation of just part of it 2/25/2021 RSLP-CD 16
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