linked data an introduction
DESCRIPTION
Presented at the Talis Linked Data Open Day in San Francisco on 1st June 2011 by Richard WallisTRANSCRIPT
an introductionRichard WallisTalis@rjw
Linked Data
#talisldod
The impact of Linked Data will be greater
than the World Wide Web it builds upon.
Linked Data
© Computer History Museum
Linked Data
Graph based data modelGlobally Distributed
URI identifiersWeb native
© Computer History Museum
Linked Data
© Computer History Museum
Graph based data modelGlobally Distributed
URI identifiersWeb native
Not new....
© Computer History Museum
Linked Data
http://en.wikipedia.org/wiki/Image:Ancientlibraryalex.jpg
Graph based data modelGlobally Distributed
URI identifiersWeb native
Callimachus - 300BCNot new....
© Computer History Museum
Linked Data
The Linked Data Journey
The Linked Data Journey
The Linked Data Journey
The Linked Data Journey
The Web of Documents
The Web of Documents
A global network of linked documents
The Web of Documents
A global network of linked documents
A place where anyone can say anything about anything
The Web of Documents
A global network of linked documents
A place where anyone can say anything about anything
A vast collection of human-readable knowledge (and opinion)
The Web of Documents
A global network of linked documents
A place where anyone can say anything about anything
A vast collection of human-readable knowledge (and opinion)
Documents are linked, but links are not qualified
Network of Linked Documents
unqualified links
Network of Linked Documents
unqualified links
no such thing as a negative link
Semantic Web
2001 - 2007
2001 - 2007
Semantic Web Research
Standards BuildingRDF SPARQL
The Web of Documents
The Web of Documents
A global network of linked documents
A place where anyone can say anything about anything
A vast collection of human-readable knowledge (and opinion)
Documents are linked, but links are not qualified
A global network of linked statements
A place where anyone can say anything about anything
A vast collection of machine-readable knowledge (and opinion)
Statements are linked, and links are qualified
The Web of Data
Linked Data
Tim Berners-Lee
Linked Data
Tim Berners-Lee Weaving
the Web⤵Author
Linked Data
Tim Berners-Lee Weaving
the Web
Mark Fischetti
⤵⤵Author
Author
Linked Data
Tim Berners-Lee Weaving
the Web
Mark Fischetti
⤵⤵ ⤵ Harper Paperbacks
Author
Author Published by
Linked Data
Tim Berners-Lee Weaving
the Web
Mark Fischetti
⤵⤵ ⤵ Harper Paperbacks
⤵Author
Author Published by
Sold by
Linked Data
Amazon.com
Linked Data
Linked Data
http://blog.ted.com/2009/03/13/tim_berners_lee_web/
Data
OpenLinkedLinkedLinked Open
ConfusionData
OpenLinkedLinkedLinked Open
DataOpenLinkedLinkedLinked Open
DataLinked LinkedLinked Open
DataLinked Linked Open
Data Open and/or Linked
1. Data can be open, while not being linked
2. Data can be linked, while not being open
3. Data which is both open and linked is increasingly viable
4. The Semantic Web can only function with data which is both open and linked
Paul Walk - UKLON
Data Open and/or Linked
Difficult?
http://www.flickr.com/photos/32348401@N00/327430459/
Difficult?
http://www.flickr.com/photos/32348401@N00/327430459/
Difficult?
NO
Different?
Different?
Different?
YES
http://www.flickr.com/photos/38834306@N00/5433464054/
http://www.flickr.com/photos/38834306@N00/5433464054/
For the first couple of days it’s like standing on your head...
http://www.flickr.com/photos/38834306@N00/5433464054/
For the first couple of days it’s like standing on your head...
Liberation..
from RDBMS constraints
http://www.flickr.com/photos/38834306@N00/5433464054/
For the first couple of days it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
http://www.flickr.com/photos/38834306@N00/5433464054/
For the first couple of days it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
of data modelling
http://www.flickr.com/photos/38834306@N00/5433464054/
For the first couple of days it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
of data modelling
of ideas
http://www.flickr.com/photos/38834306@N00/5433464054/
For the first couple of days it’s like standing on your head...
Liberation..
from RDBMS constraints
from data silos
of data modelling
of ideas
for subsequent projects
Linked Data
Linked Data
• Techniques - not new
Linked Data
• Techniques - not new• Built on the Web
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards• Web Native data
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards• Web Native data• Linked Open/Enterprise/Commercial Data
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards• Web Native data• Linked Open/Enterprise/Commercial Data• Open World Modelling
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards• Web Native data• Linked Open/Enterprise/Commercial Data• Open World Modelling• Value add
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards• Web Native data• Linked Open/Enterprise/Commercial Data• Open World Modelling• Value add• A different way of thinking
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards• Web Native data• Linked Open/Enterprise/Commercial Data• Open World Modelling• Value add• A different way of thinking• Ease of reuse
Linked Data
• Techniques - not new• Built on the Web• Real implementation of Sem Web standards• Web Native data• Linked Open/Enterprise/Commercial Data• Open World Modelling• Value add• A different way of thinking• Ease of reuse • Reduced development costs/effort