presentation 16 may morning keynote seth van hooland
TRANSCRIPT
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On apples and coconutsMMC Seminar 2013
Seth van Hooland
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Picking the low hanging fruit
Why (and when) do we need RDF
Value of URLs
Liberate your metadata
Short and long term action plan
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Worlds shortest course on data modeling
If you had to catalog a pile
of DVDs in 15 minutes,
what would you do ?
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Flat file
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Director Title Actors Date
Jim Jarmusch Dead Man Johny Depp, Gary Farmer 1995
Jim Jarmusch Mystery train Steve Buscemi, Joe Strummer end of the eighties
Jim Jarmush Stranger Than Paradise John Lurie, Eszter Balint ‘84
Etc Etc Etc Etc
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Relational database
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Actor
ID
Name
Date of birth
ID Film
Director
ID
Name
Date of birth
ID Film
Films
ID
Title
Date
ID Director
ID Actor
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XML
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RDF
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Jim Jarmusch
Dead Man
Johny Depp
New York 1995
Neil Young
lives indirected
performs in
created in
contains the score of
William Blake
refers to
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URLs to express subjects, predicates and objects
<http://www.imdb.com/name/nm0000464/>
<http://purl.org/dc/terms/creator>
<http://dbpedia.org/page/limits_of_control>
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Value of a URL
Both identifies and gives access
Difference between encoding ■ «Jim Jarmusch»■ http://www.freebase.com/m/0405l
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Value of a URL
Both identifies and gives access
Difference between encoding ■ «Hilversum»■ http://www.freebase.com/m/0405l
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http://ww3.unipark.de/uc/Metadata/
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Action plan
Clean your metadata
Reconcile local vocabs
Mine unstructured metadata
Identify what metadata you can get for
free, but is this sustainable ?
Expose your added-value metadata on
the web, but what business value ?18
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Get in touch !Follow @sethvanhooland and
@freemetadata
Visit freeyourmetadata.org
Mail me on [email protected]