Using Semantics to Enhance Content
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Using Semantics to
Enhance Content
Jamie Taylor, Ph.D.
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What do y’all mean
Semantics?
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????
astonishmentamazement
dazestupor
appalloffend
impact
fight
combat
nauseaterevolt
blow
bump
impact
jolt
SHOCK
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PageRanktm
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Alec Baldwin1977
female Penélope Cruz
Rick Rubin
Colombia
Beautiful Liar
percussion
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Alec Baldwin1977
female Penélope Cruz
Rick Rubin
Colombia
Beautiful Liar
percussion
birthday
born-in
gender
performed
friends-with
producer
performed-with
instrument
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Shakira
Alec Baldwin1977
female Penélope Cruz
Rick Rubin
Colombia
Beautiful Liar
percussion
birthday
born-in
gender
performed
friends-with
producer
performed-with
instrument
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10,704,421 Topics
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Labeled Links
Strong Identifiers
(vocabulary)
Standard Format
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Shakira
Alec Baldwin1977
female Penélope Cruz
Rick Rubin
Colombia
Beautiful Liar
percussion
birthday
born-in
gender
performed
friends-with
producer
performed-with
instrument
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@tags#tags
short URLs
The Twitter Vocabulary
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Labeled Links
Strong Identifiers
(vocabulary)
Standard Format
!
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http://www.myspace.com/shakira
http://www.facebook.com/shakira
http://twitter.com/shakira
http://www.daylife.com/topic/Shakira
http://www.bestbuy.com/site/She+Wolf…
http://www.guardian.co.uk/music/shakira
http://www.last.fm/music/Shakira
http://www.netflix.com/RoleDisplay/Shakira/20046629
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Labeled Links
Strong Identifiers
(vocabulary)
Standard Format
!
!
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Microformats
•(Relatively) easy to use
•Small, fixed vocabulary
•No standard parsing pattern
•No strong identifiers
•Limits utility
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RDFa
•Unambiguous identifiers
•Extensible vocabulary
•Standard parsing patterns
•Produces RDF
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RDFSubject Predicate Object
Triple
Shakira Knows Penélope Cruz
Penélope Cruz Starred In Vanilla Sky
Shakira Born “1977”
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RDFa
•Unambiguous identifiers
•Extensible vocabulary
•Standard parsing patterns
•Produces RDF
•Harder (than you would like) to use
•Rules about formatting based on RDF
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…and the winner is…
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HTML5 Microdata
•Easy to use
•Strong identifiers
•Extensible vocabulary
•Easy to parse
•In last call for comments stage!
•Usable! Now!
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HTML5 Microdata
Tools and Widgets
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Ontologies<http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000005b7ab1a>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://rdf.freebase.com/ns/business.employment_tenure>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000005b7ab1a>
<http://rdf.freebase.com/ns/business.employment_tenure.company>
<http://rdf.freebase.com/ns/en.determine_software>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000007e53e16>
<http://rdf.freebase.com/ns/education.education.institution>
<http://rdf.freebase.com/ns/en.mounds_view_high_school>.<http://rdf.freebas
e.com/ns/guid.9202a8c04000641f8000000007e53e16>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://rdf.freebase.com/ns/education.education>.
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Ontologies<http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000005b7ab1a>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://rdf.freebase.com/ns/business.employment_tenure>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000005b7ab1a>
<http://rdf.freebase.com/ns/business.employment_tenure.company>
<http://rdf.freebase.com/ns/en.determine_software>.
<http://rdf.freebase.com/ns/guid.9202a8c04000641f8000000007e53e16>
<http://rdf.freebase.com/ns/education.education.institution>
<http://rdf.freebase.com/ns/en.mounds_view_high_school>.<http://rdf.freebas
e.com/ns/guid.9202a8c04000641f8000000007e53e16>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://rdf.freebase.com/ns/education.education>.
Labeled Links
Strong Identifiers
(vocabulary)
Standard Format
!
!
!
Microformats RDFa Microdata