These slides can be used for a very brief and compact (5min) introduction of Linked Data. The slides are extracted from the slideset posted previously.

1. What is
linked data
?
2
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

2. The classic Web:
Data exposed
to the Web
via HTML
CIA World
MovieDB
Factbook
3
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

3. The classic Web:
Information from
single pages
can be found via
search engines
4
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

4. The classic Web:
How about complex queries over
multiple pages / data sources?
What documentaries
are filmed in countries with an
unemployment rate above 10%?
Impossible.
5
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

5. What do we actually want?
Use the Web like a
single global database
CIA World
MovieDB
Factbook
6
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

6. Linked data enables such a
Web of data
CIA World
MovieDB
Factbook
7
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

7. Linked data enables such a
Web of data
Global Identifier: URI
http://...imdb.../genres/Documentary
http://cia..../Albania
http://...imdb.../data/WarChildDocu
CIA World
MovieDB
Factbook
8
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

8. Linked data enables such a
Web of data
Global Identifier: URI
Data Model: RDF
http://...imdb.../genres/Documentary
quot;War Childquot;
http://cia..../Albania http://.../genre
http://.../name
http://.../unemp_rate
http://...imdb.../data/WarChildDocu
13.2 %
CIA World
MovieDB
Factbook
9
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

9. Linked data enables such a
Web of data
Global Identifier: URI
Data Model: RDF
Access Mechanism: HTTP http://...imdb.../genres/Documentary
quot;War Childquot;
http://cia..../Albania http://.../genre
http://.../name
http://.../unemp_rate
http://...imdb.../data/WarChildDocu
13.2 %
CIA World
MovieDB
Factbook
10
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

10. Linked data enables such a
Web of data
Global Identifier: URI
Data Model: RDF
Access Mechanism: HTTP http://...imdb.../genres/Documentary
Connection: Typed Links
quot;War Childquot;
http:
http://cia..../Albania http://.../genre
//.../f
ilmin
http://.../name
g_lo
catio
http://.../unemp_rate n
http://...imdb.../data/WarChildDocu
13.2 %
CIA World
MovieDB
Factbook
11
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

11. Linked data enables such a
Web of data
Global Identifier: URI
What documentaries
Data Model: RDF
are filmedMechanism: HTTP http://...imdb.../genres/Documentary
Access in countries with an
unemployment rate Links
Connection: Typed above 10%?
quot;War Childquot;
http:
http://cia..../Albania http://.../genre
//.../f
ilmin
http://.../name
g_lo
catio
http://.../unemp_rate n
http://...imdb.../data/WarChildDocu
13.2 %
CIA World
MovieDB
Factbook
12
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

12. Thank you!
31
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)

13. These slides have been created by
Olaf Hartig
http://olafhartig.de
This work is licensed under a
Creative Commons Attribution-Share Alike 3.0 License
(http://creativecommons.org/licenses/by-sa/3.0/)
Attribution:
● http://www.flickr.com/photos/mrfaber/247946146/
● www.opte.org
● http://www.flickr.com/photos/hartkopf/1586832162/
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Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig)