Journal Articles
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Olaf Hartig and Andreas Langegger:
A Database Perspective on Consuming Linked Data on the Web.
In Datenbankspektrum, 10(2)
Oct. 2010
(Notice, the linked PDF is just a pre-print. The final publication is available at www.springerlink.com.)
Conference Papers
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Olaf Hartig and Johann-Christoph Freytag:
Foundations of Traversal Based Query Execution over Linked Data.
In Proceedings of the 23rd ACM Conference on Hypertext and Social Media (HT), Semantic Data Track, Milwaukee, WI, USA,
Jun. 2012
(Acceptance Rate: 27%)
... Extended Version in CoRR (abs/1108.6328)
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Olaf Hartig:
SPARQL for a Web of Linked Data: Semantics and Computability.
In Proceedings of the 9th Extended Semantic Web Conference (ESWC), Heraklion, Greece,
May 2012
(Acceptance Rate: 25%)
... Extended Version in CoRR (abs/1203.1569)
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Olaf Hartig:
Zero-Knowledge Query Planning for an Iterator Implementation of Link Traversal Based Query Execution.
In Proceedings of the 8th Extended Semantic Web Conference (ESWC), Heraklion, Greece,
Jun. 2011
(Acceptance Rate: 23%)
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Olaf Hartig, Christian Bizer, and Johann-Christoph Freytag:
Executing SPARQL Queries over the Web of Linked Data.
In Proceedings of the 8th International Semantic Web Conference (ISWC), Washington, DC, USA,
Oct. 2009
(Acceptance Rate: 17%)
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Olaf Hartig:
Querying Trust in RDF Data with tSPARQL.
In Proceedings of the 6th European Semantic Web Conference (ESWC), Heraklion, Greece,
Jun. 2009
(Best Paper Award winner)
(Acceptance Rate: 18%)
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Olaf Hartig and Ralf Heese:
The SPARQL Query Graph Model for Query Optimization.
In Proceedings of the 4th European Semantic Web Conference (ESWC), Innsbruck, Austria,
Jun. 2007
(Acceptance Rate: 17%)
Workshop Papers
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Jun Zhao and Olaf Hartig:
Towards Interoperable Provenance Publication on the Linked Data Web.
In Proceedings of the 5th Linked Data on the Web (LDOW) Workshop at the World Wide Web Conference (WWW), Lyon, France,
Apr 2012
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Olaf Hartig:
How Caching Improves Efficiency and Result Completeness for Querying Linked Data.
In Proceedings of the 4th Linked Data on the Web (LDOW) Workshop at the World Wide Web Conference (WWW), Hyderabad, India,
Mar. 2011
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Olaf Hartig and Frank Huber:
A Main Memory Index Structure to Query Linked Data.
In Proceedings of the 4th Linked Data on the Web (LDOW) Workshop at the World Wide Web Conference (WWW), Hyderabad, India,
Mar. 2011
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Olaf Hartig and Jun Zhao:
Publishing and Consuming Provenance Metadata on the Web of Linked Data.
In Proceedings of the 3rd International Provenance and Annotation Workshop (IPAW), Troy, New York, USA,
Jun. 2010
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Olaf Hartig:
Towards a Data-Centric Notion of Trust in the Semantic Web (A Position Statement).
Proceedings of the 2nd Workshop on Trust and Privacy on the Social and Semantic Web (SPOT) at the 7th Extended Semantic Web Conference (ESWC), Heraklion, Greece,
May 2010
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Olaf Hartig and Jun Zhao:
Using Web Data Provenance for Quality Assessment.
In Proceedings of the 1st Int. Workshop on the Role of Semantic Web in Provenance Management (SWPM) at the International Semantic Web Conference (ISWC), Washington, DC, USA,
Oct. 2009
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Olaf Hartig, Hannes Mühleisen, and Johann-Christoph Freytag:
Linked Data for Building a Map of Researchers (Scripting Challenge Submission).
In Proceedings of the 5th Workshop on Scripting for the Semantic Web (SFSW) at the European Semantic Web Conference (ESWC), Heraklion, Greece,
Jun. 2009
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Olaf Hartig:
Provenance Information in the Web of Data.
In Proceedings of the 2nd Linked Data on the Web (LDOW) Workshop at the World Wide Web Conference (WWW), Madrid, Spain,
Apr. 2009
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Olaf Hartig, Martin Kost, and Johann-Christoph Freytag:
Automatic Component Selection with Semantic Technologies.
Proceedings of the 4th International Workshop on Semantic Web Enabled Software Engineering (SWESE) at the 7th International Semantic Web Conference (ISWC), Karlsruhe, Germany,
Oct. 2008
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Olaf Hartig:
Trustworthiness of Data on the Web.
In Proceedings of the STI Berlin & CSW PhD Workshop, Berlin, Germany,
Sep. 2008
Book Chapters
- Gunnar Aastrand Grimnes, Olaf Hartig, Malte Kiesel, and Marcus Liwicki: Linked Open Data, Semantic Web Datensätze, Kapitel 7. In Semantische Technologien, Grundlagen - Konzepte - Anwendungen, Springer 2011
Reports, Demos, Posters, etc.
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Olaf Hartig:
"An Introduction to SPARQL and Queries over Linked Data (Tutorial Description).
Proceedings of the 12th International Conference on Web Engineering (ICWE), July 2012, Berlin, Germany,
Jul 2012
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Olaf Hartig and Tom Heath:
Query Prediction with Context Models for Populating Personal Linked Data Caches.
Proceedings of the Poster Session at the 23rd ACM Conference on Hypertext and Social Media, Milwaukee, WI, USA,
Jun. 2012
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Olaf Hartig and Tom Heath:
Populating Personal Linked Data Caches using Context Models.
Proceedings of the Poster Session at the 21th International World Wide Web Conference (WWW), Lyon, France,
Apr. 2012
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Grigoris Antoniou, Oscar Corcho, Karl Aberer, Elena Simperl, and Rudi Studer (eds.):
Semantic Data Management (Dagstuhl Seminar 12171).
In Dagstuhl Reports, 2(4)
Apr. 2012
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Olaf Hartig:
SPARQL for a Web of Linked Data: Semantics and Computability (Extended Version).
In CoRR abs/1203.1569,
Mar. 2012
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Olaf Hartig and Johann-Christoph Freytag:
Foundations of Traversal Based Query Execution over Linked Data (Extended Version).
In CoRR abs/1108.6328,
Feb. 2012
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James Cheney, Anthony Finkelstein, Bertram Ludaescher, and Stijn Vansummeren (eds.):
Principles of Provenance (Dagstuhl Seminar 12091).
In Dagstuhl Reports, 2(2)
Feb. 2012
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Juan Sequeda and Olaf Hartig:
Towards a Query Language for the Web of Data (A Vision Paper).
In CoRR abs/1110.3017,
Oct. 2011
- Olaf Hartig: Integrating Provenance into the Web of Data. In Nodalities Magazine, Issue 13, Spring 2011
- Yolanda Gil, James Cheney, Paul Groth, Olaf Hartig, Simon Miles, Luc Moreau, and Paulo Pinheiro da Silva: Provenance XG Final Report. W3C Incubator Group Report, Dec. 2010. Online at http://www.w3.org/2005/Incubator/prov/XGR-prov/
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Olaf Hartig and Jun Zhao:
Integrating Provenance into the Web of Data.
Proceedings of the Poster Session at the 7th Extended Semantic Web Conference (ESWC), Heraklion, Greece,
Jun. 2010
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Olaf Hartig, Jun Zhao, and Hannes Mühleisen:
Automatic Integration of Metadata into the Web of Linked Data (Demonstration Proposal).
Proceedings of the 2nd Workshop on Trust and Privacy on the Social and Semantic Web (SPOT) at the 7th Extended Semantic Web Conference (ESWC), Heraklion, Greece,
May 2010
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Olaf Hartig, Juan Sequeda, Jamie Taylor, and Patrick Sinclair:
How to Consume Linked Data on the Web (Tutorial Description).
Proceedings of the 19th International World Wide Web Conference (WWW), April 2010, Raleigh, NC, USA,
Apr 2010
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Olaf Hartig, Martin Kost, and Johann-Christoph Freytag:
Designing Component-Based Semantic Web Applications with DESWAP.
Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC), Karlsruhe, Germany,
Oct. 2008
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Olaf Hartig:
Grundlagen regelbasierter Optimierung für SPARQL.
Diploma Thesis,
Humboldt-Universität zu Berlin, 2006
