Semantic Web
description
Transcript of Semantic Web
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SEMANTIC WEB
Visual Resource Association 2010 Conference
Engaging New Technologies, Part II
Meghan Musolff, University of MichiganGreg Reser, University of California, San Diego
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Semantic Web
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Semantic Web
Image credit: http://www.w3.org/2009/Talks/0204-ted-tbl/#(13)
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Semantic Web
Don’t be scared!
The Semantic Web is great.
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Semantic Web
Semantic WebLinked Data
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Semantic Web
What is the Semantic Web?
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Semantic Web
bits of information
other bits of information+ = Discovery!
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Semantic Web
Web 3.0?
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Semantic Web
+EducationalCulturalGovernment
Semantic Web
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Semantic Web
Semantic Web runs on the Linked Data method.
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Semantic Web
datadata
Image credit: http://www.w3.org/2009/Talks/0204-ted-tbl/#(5)
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Semantic Web
Image credit: http://www.w3.org/2009/Talks/0204-ted-tbl/#(5)
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Semantic Web
Image credit: http://www.w3.org/2009/Talks/0204-ted-tbl/#(7)
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Semantic Web
Doesn’t Google already do this?
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Semantic Web
2.9 million “things”
479 million “facts”
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Neil diamond image
Image credit: http://www.flickr.com/photos/77935962@N00/1804599774/
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Semantic Web
Want another example?
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Semantic Web
DBpedia Mobile
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Semantic Web
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Semantic Web
Image credit: http://www.w3.org/2009/Talks/0204-ted-tbl/#(9)
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Semantic Web
Image credit: http://www.w3.org/2009/Talks/0204-ted-tbl/#(13)
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Semantic Web
Why is this important?
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Semantic Web
It’s important because….
1.Data integration
2.Resource discovery and classification
3.Knowledge sharing and exchange
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Semantic Web
Linked Data ?
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Semantic Web
Linked Data
Use URIs as names for things
Uniform Resource Identifier
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Linked Data
Use URIs as names for things
Use HTTP URIs so that people can look up those names
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Semantic Web
Linked Data
Use URIs as names for things
Use HTTP URIs so that people can look up those names
When someone looks up a URI, provide useful information, using RDF or SPARQL
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Semantic Web
Use URIs as names for things
Use HTTP URIs so that people can look up those names
When someone looks up a URI, provide useful information, using RDF or SPARQL
Include links to other URIs so that they can discover more things
Linked Data
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HELLOmy name is
Semantic Web
Linked Data
http://dbpedia.org/page/Mona_Lisa
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Semantic Web
Use HTTP URIs as names for thingsso that people can look up those names
http://dbpedia.org/page/Mona_Lisa
Linked Data
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Semantic Web
When someone looks up a URI, provide useful information, using RDF or SPARQL
Linked Data
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Semantic Web
Include links to other URIs so that they can discover more things
Linked Data
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Semantic Web
these links…
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Semantic Web
…become structured data
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Semantic Web
Under the hood
html page display
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Semantic Web
Under the hoodBrowser location bar
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Semantic Web
Under the hood
http://dbpedia.org/property/title "Abraham Lincoln"
property tag plain text
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Semantic Web
RDF Triples (N3)
Title: Abraham Lincoln
Predicate (property)
http://dbpedia.org/property/title
Object (value)
"Abraham Lincoln"
Subject (thing)
http://dbpedia.org/page/Abraham_Lincoln_%281920_statue%29
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Semantic Web
Title: Abraham Lincoln
XML
<vra xsi:schemaLocation="http://www.vraweb.org/projects/vracore4/vra-4.0-restricted.xsd">
<work id="w_0005" refid="1" source=“Greg's imaginary collection">
<title pref="true">Abraham Lincoln</title>
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XML
<vra xsi:schemaLocation="http://www.vraweb.org/projects/vracore4/vra-4.0-restricted.xsd">
<work id="w_0005" refid="1" source=“Greg's imaginary collection">
<title pref="true">Abraham Lincoln</title>
Semantic Web
Title: Abraham Lincoln
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XML
<vra xsi:schemaLocation="http://www.vraweb.org/projects/vracore4/vra-4.0-restricted.xsd">
<work id="w_0005" refid="1" source=“Greg's imaginary collection">
<title pref="true">Abraham Lincoln</title>
Semantic Web
Title: Abraham Lincoln
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Semantic Web
RDF Triples (N3)
Subject Predicate Object
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Semantic Web
RDF/XML
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Semantic Web
http://relfinder.dbpedia.org/
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Semantic Web
http://relfinder.dbpedia.org/
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Semantic Web
http://relfinder.dbpedia.org/
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Semantic Web
What does this have to do with visual resources?
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Semantic Web
1. Adds value to images
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Semantic Web
1. Adds value to images
2. Increases discovery of your images
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Semantic Web
1. Adds value to images
2. Increases discovery of your images
3. Improves user-end experience
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Semantic Web
Combines:
Names and GPS coordinates
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Semantic Web
Geo: lat 38.897671
Geo: long -77.036552
within 1 km radius
http://dbpedia.org/page/White_House
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Semantic Web
search for “White House”
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Semantic Web
search for “White House”
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Semantic Web
search for “White House”
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Semantic Web
Now with linked data!
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Semantic Web
DBpedia Dublin Core and DCMI Terms FRBR concepts in RDF GeoNames LCCN Permalink lingvoj.org OAI-ORE OWL RDA WorldCat
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