Semantic Web Technologies - Intro - OpenHPI2013

LectureDr. Harald Sack

Hasso-Plattner-Institut für IT Systems EngineeringUniversity of Potsdam

Spring 2013

Semantic Web Technologies

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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam

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Semantic Web TechnologiesDr. Harald Sack

■ Senior Researcher at Hasso Plattner Institute (HPI)■ Research Topics□ Semantic Web Technologies□ Ontological Engineering□ Information Retrieval□ Multimedia Analysis & Retrieval□ Social Networking□ Data/Information Visualization

■ Research Projects

Freitag, 23. November 12


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Semantic Web TechnologiesSemantic Technologies Research Group @ HPI



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© http://semanticexchange.com/meta/

It‘s all about dataFreitag, 23. November 12

http://semanticexchange.com/meta/



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The Web is big.

Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is.(...according to Douglas Adams)


Dr. Harald Sack, Hasso-Plattner-Institut Potsdam, Workshop: Interaktion und Visualisierung im Datenweb (IVDW 2012), Braunschweig, 20.09.2012

... and it‘s getting bigger every minute!



7 Multimedia, Real-Time Data, Sensor Data, ....

Semantic Web Technologien Quo vadis WWW ?



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and all the things will connect with social networks...Freitag, 23. November 12


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How can we find somethingon the Web?



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Dr. Harald Sack, Hasso-Plattner-Institut Potsdam, Workshop: Interaktion und Visualisierung im Datenweb (IVDW 2012), Braunschweig, 20.09.2012

Semantics


Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität PotsdamFreitag, 23. November 12


Lecture 1: The Web of Data Lecture 2: Semantic Web - Basic Architecture - Part 1Lecture 3: Semantic Web - Basic Architecture - Part 2Lecture 4: Knowledge Representation - Part 1Lecture 5: Knowledge Representation - Part 2Lecture 6: Applications in the ,Web of Data‘

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Semantic Web Technologies Content



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Lecture 1: The Web of Data • Short history of the Web• Limits of the WWW• Vision of an ,intelligent‘ Web• Applications in the Web of Data




Lecture 2: Semantic Web - Basic Architecture - Part 1• How to identify Things?

Uniform Resource Identifier - URI

• How to represent simple facts?Resource Description Framework - RDF

• How to represent a model world?RDF Schema

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Lecture 3: Semantic Web - Basic Architecture - Part 2• How to ask for (semantic) data?

Query Language SPARQL

• How to store (semantic) data?RDF Databases - Tripel Stores

• How to get the semantics into the web?RDFa and microdata

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Lecture 4: Knowledge Representation - Part 1• Ontologies in Philosophy and Computer Science• Foundations of Logic

• Popositional Logic and First Order Logic

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Lecture 5: Knowledge Representation - Part 2• How to represent the world?

Description Logics

• How to represent logics in the Semantic Web?OWL and OWL-Semantics

• When it gets more complicated...Rules in the Semantic Web

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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität PotsdamFreitag, 23. November 12


Lecture 6: Applications in the ,Web of Data‘ • How to handle knowledge?

Ontology Engineering

• From text to knowledgeNamed Entity Recognition

• The Web of Data todayLinked Data Engineering

• And what can all this be used for...?Semantic Search

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• P. Hitzler, M. Krötzsch, S. Rudolph:Foundations of Semantic Web Technologies,CRC Press, 2009.

Semantic Web Technologies Bibliography


http://www.amazon.de/gp/product/142009050X/ref=as_li_ss_tl?ie=UTF8&tag=moresemantic-21&linkCode=as2&camp=1638&creative=19454&creativeASIN=142009050X



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• U. Schöning:Logic for Computer Scientists,Birkhäuser, 2008.







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• T. Heath, Ch. BitzerLinked Data - Evolving the Web into a Global Data Space,Morgan & Claypool, 2011.


http://www.amazon.de/gp/product/1608454304/ref=as_li_ss_tl?ie=UTF8&tag=moresemantic-21&linkCode=as2&camp=1638&creative=19454&creativeASIN=1608454304





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□ bibsonomy - Bookmarkshttp://www.bibsonomy.org/user/lysander07/openHPI2013

Semantic Web Technologies Further Reading


http://www.bibsonomy.org/user/lysander07/openHPI2013

http://www.bibsonomy.org/user/lysander07/openHPI2013


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Semantic Web Technologies




Semantic Web Technologies - Intro - OpenHPI2013

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