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From 8 miles high to ground zero: granularity in the information landscape

From 8 miles high to ground zero: granularity in the information landscape. Gordon Dunsire. Preamble. The information landscape Granularity of metadata Content Carrier Ground zero. Information landscape. Topology of the common information environment See AKM9, 2005, Porec (!)

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From 8 miles high to ground zero: granularity in the information landscape

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  1. From 8 miles high to ground zero: granularity in the information landscape Gordon Dunsire

  2. Preamble • The information landscape • Granularity of metadata • Content • Carrier • Ground zero

  3. Information landscape • Topology of the common information environment • See AKM9, 2005, Porec (!) • Seamless, joined-up services and widest range of resources supporting the information-processing needs of all users in a community • Shaped by metadata • Lumps, clumps, aggregates • Granularity

  4. Granularity of content Global collection of all information resources International and national collections Institutional and organisational collections Special, named and functional collections Items

  5. Granularity of metadata content Global finding aid (is a collection of ...) Union catalogue (is a collection of ...) Catalogue/finding aid (is a collection of ...) Record (is a collection of ...) Metadata statement

  6. Metadata statements • Google (web of documents) • This resource (URL) contains terms “bagpipes, ...” • Only type of statement is contains terms • Archives, libraries, museums (semantic web) • This set of letters (ID) has author “G. MacDonald” • This book (ID) has subject “Bagpipes” • This object (ID) is made of goat skin • 100s of types of statement

  7. Granularity and lumpiness More granularity = finer detail smoother landscape easier, flexible navigation use statements to navigate Need more than one statement to identify and select a resource set of statements = record

  8. Ground zero = Chain reaction Chain of metadata statements linked (open) data Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/

  9. Chain reaction Controlled (not an explosion!) More like a (nuclear) power station vs ?

  10. Better like this: Thank you! gordon@gordondunsire.com

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