Semantic Web Technologies - Intro - OpenHPI2013
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LectureDr. Harald Sack
Hasso-Plattner-Institut für IT Systems EngineeringUniversity of Potsdam
Spring 2013
Semantic Web Technologies
This file is licensed under the Creative Commons Attribution-NonCommercial 3.0 (CC BY-NC 3.0)Freitag, 23. November 12
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
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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Semantic Web TechnologiesSemantic Technologies Research Group @ HPI
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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It‘s all about dataFreitag, 23. November 12
Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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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)
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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!
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
7 Multimedia, Real-Time Data, Sensor Data, ....
Semantic Web Technologien Quo vadis WWW ?
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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and all the things will connect with social networks...Freitag, 23. November 12
Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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How can we find somethingon the Web?
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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Freitag, 23. November 12
Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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Freitag, 23. November 12
Dr. Harald Sack, Hasso-Plattner-Institut Potsdam, Workshop: Interaktion und Visualisierung im Datenweb (IVDW 2012), Braunschweig, 20.09.2012
Semantics
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität PotsdamFreitag, 23. November 12
Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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 Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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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
Semantic Web Technologies Content
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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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Semantic Web Technologies Content
Freitag, 23. November 12
Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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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Semantic Web Technologies Content
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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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Semantic Web Technologies Content
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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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Semantic Web Technologies Content
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität PotsdamFreitag, 23. November 12
Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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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Semantic Web Technologies Content
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• P. Hitzler, M. Krötzsch, S. Rudolph:Foundations of Semantic Web Technologies,CRC Press, 2009.
Semantic Web Technologies Bibliography
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Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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• U. Schöning:Logic for Computer Scientists,Birkhäuser, 2008.
Semantic Web Technologies Bibliography
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Semantic Web Technologies Bibliography
Lecture Semantic Web Technologies, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam
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• T. Heath, Ch. BitzerLinked Data - Evolving the Web into a Global Data Space,Morgan & Claypool, 2011.
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□ bibsonomy - Bookmarkshttp://www.bibsonomy.org/user/lysander07/openHPI2013
Semantic Web Technologies Further Reading
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Semantic Web Technologies
Freitag, 23. November 12
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