From 8 miles high to ground zero: granularity in the information landscape
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From 8 miles high to ground zero: granularity in the information
landscape
Gordon Dunsire
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Preamble
The information landscapeGranularity of metadata
ContentCarrier
Ground zero
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Information landscape
Topology of the common information environmentSee 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 metadataLumps, clumps, aggregatesGranularity
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Granularity of content
Global collection of all information resources
International and national collections
Institutional and organisational collections
Special, named and functional collections
Items
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Granularity of metadata content
Union catalogue (is a collection of ...)
Catalogue/finding aid (is a collection of ...)
Record (is a collection of ...)
Metadata statement
Global finding aid (is a collection of ...)
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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
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Granularity and lumpiness
More granularity = finer detailsmoother landscape
easier, flexible navigationuse statements to navigate
Need more than one statement to identify and select a resource
set of statements = record
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Ground zero = Chain reaction
Chain of metadata statementslinked (open) data
Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/
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Chain reaction
Controlled (not an explosion!)More like a (nuclear) power station
vs?