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Introduction to the semantic web and linked data
Introduction to the semantic web
and linked data
The “regular” Webis a web of documents
The “semantic web” is a web of data
Berkeley
located inCalifornia
longitude
latitude
W 122° 16' 21''
N 37° 52' 17''
Here’s a picture of my dog in
K Hosseini
Kite Runner
Riverhead Publishing
D Benioff
ISBN:1594480001
M Forster
is author ofhas subject
Afghanistan
publishedby
adapted as screenplay by
made into movie
car123
red
Ford
Mustang
2-door
model
color
make
doors
Bob787
purchased by purchase price
pDate
purchase event72ElRioFord Mary88
purchase event142
Pfrom
Purchased from2006-07-02
$22,310
$7,250
“This is a great car!”Car&Driverreviews
2011-02-03
Things and Strings
Semantic Web Basics
thing thingrelationship
Moby Dick
Melvillewritten by
Moby Dick
Melvillewritten by
identifier
Moby Dick
Melvillewritten by
Uniform resource identifier
URI
Moby Dick
Melvillewritten by
Uniform resource identifier
URI
Moby Dick
Melvillewritten by
“Herman Melville”
URI
string
http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555
http://purl.org/dc/terms/creator
WorldCat URI for book “Moby Dick”
http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555
http://purl.org/dc/terms/creator
Dublin Core URI for element “creator”
http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555
http://purl.org/dc/terms/creator
VIAF URI for person “Herman Melville”
http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555
http://purl.org/dc/terms/creator
http://www.worldcat.org/oclc/474017053
http://purl.org/dc/terms/creator
http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555
http://purl.org/dc/terms/creator
http://www.worldcat.org/oclc/474017053
http://purl.org/dc/terms/creator
“Herman Melville”
“things and strings”id:1234 id:abcd
id:3n5bid:$%^&
“Herman Melville”
“things and strings”id:1234 id:abcd
id:3n5bid:$%^&
“Herman Melville”
http://en.wikipedia.org/Herman_Melville
“label”
“things and strings”id:1234 id:abcd
id:3n5bid:$%^&
“Herman Melville”
http://en.wikipedia.org/Herman_Melville
label
http://en.wikiipedi.or
g/New_York_City
birthPlace
“New York City”label
Exercise: Things and Strings
• This is a dog named Dewey.• Dewey is a golden retriever.• Dewey is 9 years old.• Dewey’s birthday is 12-25• Dewey was born in 2003
• Dewey lives in Berkeley.• Berkeley is in California.• The University of California is in
Berkeley
EndIntroduction to the Semantic Web
