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Semantic Web - A Survey Talk
1. WeST – Web Science & Technologies
University of Koblenz Landau, Germany
Semantic Web
Steffen Staab
2. …a short history of the Web…
<HTML>
Phone book
<HTML> Aalta
CERN
Researcher
Interests…
Aalta 234 789 <HTML> Phone 789
… Zyström
Zyström 981
Colleague
Tel 981
~1989
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
3. World Wide Web
WWW :=
Hypertext &
Internet &
Social Phenomenon
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
4. More than 1 Billion Users Later …
Sir Tim Berners-Lee
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
5. …the History of the Web continued…
Phone <HTML>
Book Aalta
CERN
Interests…
<HTML>
Aalta 789 Tel 789
Zyström
…
Zyström 981
Collegue
Phone 981
~1995
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
6. …the Problem Inherent to Knowledge…
<HTML>
<HTML>
~1995
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
7. …now you can read it more easily…
<HTML>
<HTML>
What a computer
understands!
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
8. …the History of the Semantic Web…
<HTML> <HTML>
Researcher
Forscher
Aalta 789
<HTML>
…
Zyström 981
~1995
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
9. What do you need for this idea?
<HTML> <HTML>
1. Language for
Researcher
Forscher
(meta-)data
Aalta 789
2. Language for <HTML>
…
describing Zyström 981
schema which
(meta-)data
adhere to
3. Exchange of data
and schemata via
Internet
4. Lots of people
and applications
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
10. Semantic Web
1. Language for
(meta-)data
2. Language for Semantic Web :=
describing
Semantic Web Data &
schema which
(meta-)data Ontologies &
adhere to
Internet &
3. Exchange of data
and schemata via Social Phenomenon
Internet
4. Lots of people
and applications
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
11. SEMANTIC WEB IN ACTION
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
12. Google for „Vincent van Gogh“
Screenshot by
Kingsley Idehen
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
13. Van Gogh on Facebook
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
14. Facebook Data Object
Screenshot by
Kingsley Idehen
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
15. Van Gogh on Wikipedia
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
16. DBPedia Data Object
Screenshot by
Kingsley Idehen
Note: DBPedia harvests knowledge from Wikipedia
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
17. Freebase Data Object
Screenshot by
Kingsley Idehen
Note: MetaWeb producing Freebase is a Semantic Web
company bought by Google in 2010
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
18. Google Search with Google Knowledge Graph
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
21. WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
22. Content
What’s in the schema?
Creative works: CreativeWork, Book, Movie,
MusicRecording, Recipe, TVSeries ...
Embedded non-text objects: AudioObject, ImageObject,
VideoObject
Event
Organization
Person
Place, LocalBusiness, Restaurant ...
Product, Offer, AggregateOffer
Review, AggregateRating
Annotating data within normal Web pages
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
23. Return on Investment
BestBuy early adopter
Launched Semantic Product Web, augmented with
GoodRelations and RDFa,
30% increase in traffic to their pages.
(not a scientifically precise experiment!)
Nick Cox@Yahoo!
search results augmented with structured data get
15% higher click-through rate
Cf http://www.chiefmartec.com/2009/12/best-buy-jump-starts-data-web-
marketing.html
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
24. APPLICATION:
E-GOVERNMENT
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
28. Making Web 2.0 More Accessible
GeoNames
Links Location
low- to
xxxxx
Persons xxxx midlevel
features
Knowledge Tags
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
29. Choosing between Koblenz – and Koblenz
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
39. Organizational
knowledge work
?
How to integrated?
Individual
knowledge work
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de
40. Integration of organizational & individual knowledge work
Scenario:
SME architecture
office
German KM 1. Prize 2011
WeST – Web Science & Steffen Staab
Technologies staab@uni-koblenz.de