c4l2008charper
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TRANSCRIPT
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RDF and RDA
declaring and modelinglibrary metadata
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R&D: RDA in RDFor:
Can Resource Description become Rigorous Data?
Karen CoyleCode4Lib 2008
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So…
• What Karen said…
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Thank you
• Any Questions?
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So…
• What Talis is doing…
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Proof of Concept
• Show how this technology could make our lives easier
• Demonstrate that more rigorously modeled data improves interoperability
• Or, at the very least, show something fairly cool
• But…
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I’m Lazy
XKCD - http://xkcd.com/303/ Randall Munroe
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Okay, Seriously
• Metadata Normalization– Is a serious pain in the @$$– Is continual repetition of effort– We’re all doing this over and over again– Aren’t you tired of it?
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Dublin Core Singapore Framework
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Singapore Framework• DCAM
– http://dublincore.org/documents/abstract-model/• Terms, Classes, Properties, Values
– http://dublincore.org/documents/dcmi-terms/
• Application Profiles• Description Set Profiles
– http://dublincore.org/architecturewiki/DescriptionSetProfile
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A Distinction
• Metadata Harmonization:– the “ability to use serveral different metadata
standards in a single software system.”• Metadata Normalization:
– mapping serveral different metadata standards to a single schema or structure for use in a single software system.
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Record Graph
• Does not include authority data• Coins new URI’s any non-literal value• Contains a few minor modeling errors
<modsrdf:Publisher modsrdf:value="Crowell" rdf:about="http://simile.mit.edu/2006/01/publisher/Crowell">
<modsrdf:location> <modsrdf:Place modsrdf:name="New York“ rdf:about="http://simile.mit.edu/2006/01/place/marccountry/nyu"/> </modsrdf:location></modsrdf:Publisher>
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Authority Information
• Controlled Vocabulary• SKOS for LCSH, Dewey, LCC, Mesh,
others• Need a structure for Name Authorities
– Not FOAF• Standard URI’s for concepts and agents
– Possibly for FRBR Entities?
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LCSH
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LCSH in SKOS<skos:Concept rdf:about="http://example.com/lcsh#95000541"> <skos:prefLabel>World Wide Web</skos:prefLabel> <skos:altLabel>W3 (World Wide Web)</skos:altLabel> <skos:altLabel>Web (World Wide Web)</skos:altLabel> <skos:altLabel>World Wide Web (Information Retrieval
System)</skos:altLabel> <skos:broader rdf:about="http://example.com/lcsh#88002671" /> <skos:broader rdf:about="http://example.com/lcsh#92002381" /> <skos:related rdf:about="http://example.com/lcsh#92002816"/> <skos:narrower rdf:about="http://example.com/lcsh#2002000569"/> <skos:narrower rdf:about="http://example.com/lcsh#2003001415"/> <skos:narrower rdf:about="http://example.com/lcsh#97003254"/></skos:Concept>
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http://dublincore.org/groups/architecture/
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DC2008
• Berlin, Germany - Sept 22 - 26, 2008• Theme: “Metadata for Semantic and Social
Applications”• Call for Papers closes March 30• http://dc2008.de/papers
– Many presentations here that DCMI community could benefit from hearing
– DCMI Community *needs* practical, technical, implementation perspective
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Thank you
• Any Questions?