This primer introduces strategies for managing digital assets in libraries. It covers themes like scalability, the need for programmatically created metadata, and shifting from projects to services. Topics include metadata creation, services, and the importance of interoperability. The text explores various metadata types such as Descriptive, Structural, Technical, and Rights metadata, emphasizing their role in facilitating discovery and asset management. Additionally, it delves into metadata standards like SCORM, METS, and MARC, offering insights into their application in digital asset management. The document underscores the significance of controlled vocabularies, encoding, and interoperability in building efficient digital asset management systems.
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Metadata:practice and practice Lorcan Dempsey VP Research and Chief Strategist CLIR/DLF. Managing Digital Assets: A Primer for Library and Information Technology Administrators Charleston, SC February 4-6, 2005
Some themes • Consolidation: fragmentation gets in the way • Industrialization: much of our metadata creation is a cottage industry: current approaches will not scale • Cost: value • Intellectual and machine: need to work harder to programmatically create metadata • Institutions and service: move from projects to service
Common services Content: circ/ILL system Content services Application services Presentation services
Common services I need this article too. Request broker Content services Application services Presentation services
Common services openURL resolver Content services Application services Presentation services
Common services Directory: local knowledge base Content services Application services Presentation services
Nearly there … Common services Directory: service/collection description Content services Application services Presentation services
Common services Content: article Content services Application services Presentation services
Directory: user profile Directory: service/collection description Directory: ILL policy Authentication Common services Directory: local knowledge base Reference db OpenURL resolver Circ/ILL system Article db • Metadata for multiple entities required to support operations. • This picture could be extended in multiple ways. Request broker Query broker Content services Application services Presentation services
Metadata as intelligence … • Know what resources are available • Know how to play a resource • Know provenance of a resource • Know what use policy governs a resource • Know how to ingest a resource • Know how to interact with a resource • Know how to compose/decompose resources • …
Metadata? … allows people and machines to work smarter …
Metadata? Schematized … … statements about … … resources
… and will support multiple operations Discovery to delivery Digital asset management Publishing interfaces: intersections between user information spaces and library information spaces Resources: everything that moves • Multiple types of information Objects • Collections • Services • People • Organizations • Places • Terms • Formats • Rights • Business terms • License
Descriptive Structural Technical Administrative Rights Preservation Tracking Provenance Different classes of metadata increasingly a part of complex object models • SCORM/Content package • METS • MPEG 21 • …
OAI • A way of ‘publishing’ processable metadata on the network • A way of synchronizing databases • And … • The same for resources themselves? • A nice building block for other services
An example Following pages show some experimental services where OAI is used to ‘publish’ metadata. There is a WIKI interface to metadata stores managed under OAI.
Interoperability • Recombinant potential • Economic and service issues • Cost
Encoding Element set Content/values Encoding Element set Content/values Interoperability a factor at all these levels .. For example .. Examples: Z39.2/MARC/AACR DC OAI
This gives a context for discussing … • Traditional library practice • Strive for consistency at all three levels in the ISO 2709/MARC/AACR model • Institutionalised in standards, OCLC/RLG/LC, committees, … • Dublin Core • Consistency of element set • A small number of encodings • Content/values subject to separate agreement • OAI • A transport for resources. • No control over the transported resources • So …
Books • Journals • Newspapers • Gov. docs • CD, DVD • Maps • Scores Freely-accessible web resources • Research and learning materials • ePrints/tech reports • Learning objects • Courseware • E-portfolios • Research data • Untransferred records • Special collectionsArchives • Rare books • Local history materials • Archives & Manuscripts • Theses & dissertations Collections grid Stewardship high low low Uniqueness high
Collections grid disclosure high low Publishing Amazoogle D2D low Reformatting high E-learning E-research Cultural heritage Digital asset management
Bought materials Licensed materials Special collections/archives Research and learning materials Stewardship high low low Uniqueness high Some observations Metadata Cost/value Routine? Consolidated?
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