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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.
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Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 2
What islinked data
?
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 3
CIA WorldFactbook
MovieDB
Data exposedto the Webvia HTML
The classic Web:
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 4
Information fromsingle pages
can be found viasearch engines
The classic Web:
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 5
The classic Web:
How about complex queries overmultiple pages / data sources?
What documentariesare filmed in countries with an
unemployment rate above 10%?
Impossible.
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 6
What do we actually want?
Use the Web like a single global database
MovieDBCIA WorldFactbook
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 7
Linked data enables such aWeb of data
CIA WorldFactbook MovieDB
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 8
Global Identifier: URI
http://...imdb.../data/WarChildDocu
CIA WorldFactbook
http://cia..../Albania
http://...imdb.../genres/Documentary
Linked data enables such aWeb of data
MovieDB
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 9
CIA WorldFactbook
http://cia..../Albania
Global Identifier: URIData Model: RDF
13.2 %
http://.../unemp_rate
http://...imdb.../genres/Documentary
"War Child"http://.../genre
http://...imdb.../data/WarChildDocu
http://.../name
Linked data enables such aWeb of data
MovieDB
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 10
CIA WorldFactbook
http://cia..../Albania
Global Identifier: URIData Model: RDFAccess Mechanism: HTTP
13.2 %
http://.../unemp_rate
http://...imdb.../genres/Documentary
"War Child"http://.../genre
http://...imdb.../data/WarChildDocu
http://.../name
Linked data enables such aWeb of data
MovieDB
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 11
CIA WorldFactbook
http://cia..../Albania
http://...imdb.../genres/Documentary
Global Identifier: URIData Model: RDFAccess Mechanism: HTTPConnection: Typed Links
http://.../name
13.2 %
http://.../unemp_rate
http://.../filming_locationhttp://...imdb.../data/WarChildDocu
"War Child"http://.../genre
Linked data enables such aWeb of data
MovieDB
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 12
Global Identifier: URIData Model: RDFAccess Mechanism: HTTPConnection: Typed Links
CIA WorldFactbook
http://cia..../Albania
http://...imdb.../genres/Documentary
http://.../name
13.2 %
http://.../unemp_rate
http://.../filming_locationhttp://...imdb.../data/WarChildDocu
"War Child"http://.../genre
What documentariesare filmed in countries with an
unemployment rate above 10%?
Linked data enables such aWeb of data
MovieDB
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 31
Thank you!
Query Processing and Trustworthiness in the Web of Linked Data (Olaf Hartig) 32
These slides have been created byOlaf Hartig
http://olafhartig.de
This work is licensed under aCreative 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/
