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Olaf Hartig

Senior Lecturer

I am interested in problems related to the management of data and databases. My focus in this broad context is on data on the Web and on graph data, as well as on problems in which the data is distributed over multiple, autonomous data sources.

Senior Lecturer in Database and Semantic Technologies

I am an Assistant Professor (Universitetslektor) at the Department of Computer and Information Science of Linköping University.

I hold a Ph.D. in Computer Science from the Humboldt-Universität zu Berlin, and worked previously as a postdoctoral research fellow at the Cheriton School of Computer Science at the University of Waterloo and, thereafter, at the Hasso Plattner Institute, Potsdam.

I am interested in problems related to the management of data and databases. My focus in this broad context is on data on the Web and on graph data, as well as on problems in which the data is distributed over multiple, autonomous and/or heterogeneous sources. Regarding these topics, my interests range from systems-building related research (e.g., efficient storage of data, query processing, and query optimization) all the way to theoretical foundations (e.g., complexity and expressive power of query languages).

I was honored with the SWSA Distinguished Dissertation Award in 2015 for my Ph.D. dissertation “Querying a Web of Linked Data: Foundations and Query Execution,” and I have received three best research paper awards (ESWC 2009, ESWC 2015, ISWC 2017).

I am leader or contributor of several open source projects, most notably SQUIN, which is a novel query processing system for the Semantic Web. I co-organized international research workshops, served on multiple program committees, and participated as an invited expert in the provenance incubator group and the provenance working group of the World Wide Web Consortium.

For more detailed information on research, teaching, and services, please see http://olafhartig.de


Research groups

The Database and Web Information Systems Group (of ADIT at IDA)

Semantic Web Research Group (at IDA)

Sports Analytics Research Group (at IDA)

Teaching
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I am course leader and sole lecturer of the basic database technology courses;
TDDD12
TDDD37
TDDD46
TDDD81
732A57

Additionally, I am teaching some lectures in a number of other courses;

Advanced Data Models and Databases (TDDD43)
Information Security (TDDD17)
Perspectives in Computer and Software Technology (TDDE25)

Curriculum vitae
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Selected Publications
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Olaf Hartig, Jorge Pérez (2017)

Proceedings of the 11th Alberto Mendelzon International Workshop on Foundations of Data Management and the Web. Continue to DOI

Olaf Hartig, Jorge Perez (2016)

Journal of Web Semantics , Vol.41 Continue to DOI

Olaf Hartig, M. Tamer Ozsu (2016)

SEMANTIC WEB - ISWC 2016, PT I , s.305-324 Continue to DOI

About the division
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About the department
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