Olaf Hartig

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M. Tamer ÖzsuUniversity Professor, University of WaterlooVerified email at uwaterloo.ca
Johann-Christoph FreytagHumboldt-Universität zu BerlinVerified email at informatik.hu-berlin.de
Ruben VerborghGhent University – imecVerified email at ugent.be
jun zhaoOxford UniversityVerified email at cs.ox.ac.uk
Pieter Colpaertimec - Ghent University - IDLab; Open Knowledge BelgiumVerified email at ugent.be
Ben De MeesterGhent University – imec – IDLabVerified email at ugent.be
Jorge PérezCero.aiVerified email at cero.ai
Miel Vander SandeGhent University - imec - IDLabVerified email at ugent.be
Laurens De VochtUniversiteit GentVerified email at ugent.be
Christian BizerProfessor of Information Systems, University of Mannheim, GermanyVerified email at informatik.uni-mannheim.de
Gunes AlucSAP LabsVerified email at sap.com
Richard CyganiakDERI, NUI GalwayVerified email at cyganiak.de
Paul GrothProfessor, INDE Lab, University of AmsterdamVerified email at uva.nl
Erik Mannens, Prof. PhD. MEng. MSc.UAntwerp / Ghent UniversityVerified email at uantwerpen.be
Rik Van de WalleGhent University - iMinds (former IBBT)Verified email at ugent.be
Juan Sequedadata.worldVerified email at data.world
Simon MilesHead of AI, AerogilityVerified email at aerogility.com
Luc MoreauUniversity of SussexVerified email at sussex.ac.uk
Joachim Van HerwegenIDLab (Ghent University - imec)Verified email at ugent.be
Giuseppe PirròAssociate Professor, Computer Science, University of CalabriaVerified email at unical.it

Olaf Hartig

Senior Associate Professor, Linköping University

Verified email at liu.se - Homepage

Web Data Management Graph Data Management Federated Knowledge Graphs Semantic Web Databases


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Executing SPARQL queries over the web of linked data O Hartig, C Bizer, JC Freytag The Semantic Web-ISWC 2009: 8th International Semantic Web Conference, ISWC …, 2009	509	2009
Diversified Stress Testing of RDF Data Management Systems G Aluç, O Hartig, MT Ozsu, K Daudjee 13th International Semantic Web Conference (ISWC), 2014	411	2014
Triple pattern fragments: a low-cost knowledge graph interface for the web R Verborgh, M Vander Sande, O Hartig, J Van Herwegen, L De Vocht, ... Journal of Web Semantics 37, 184-206, 2016	372	2016
Provenance Information in the Web of Data. O Hartig LDOW 538, 2009	288	2009
The future is big graphs: a community view on graph processing systems S Sakr, A Bonifati, H Voigt, A Iosup, K Ammar, R Angles, W Aref, M Arenas, ... Communications of the ACM 64 (9), 62-71, 2021	228	2021
Using Web Data Provenance for Quality Assessment. O Hartig, J Zhao SWPM 526, 2009	199	2009
Publishing and consuming provenance metadata on the web of linked data O Hartig, J Zhao Provenance and Annotation of Data and Processes: Third International …, 2010	180	2010
Querying datasets on the web with high availability R Verborgh, O Hartig, B De Meester, G Haesendonck, L De Vocht, ... The Semantic Web–ISWC 2014: 13th International Semantic Web Conference, Riva …, 2014	179	2014
The SPARQL query graph model for query optimization O Hartig, R Heese European Semantic Web Conference, 564-578, 2007	163	2007
Semantics and complexity of GraphQL O Hartig, J Pérez Proceedings of the 2018 World Wide Web Conference, 1155-1164, 2018	159	2018
Foundations of RDF* and SPARQL*:(An alternative approach to statement-level metadata in RDF) O Hartig AMW 2017 11th Alberto Mendelzon International Workshop on Foundations of …, 2017	146	2017
Querying trust in rdf data with tsparql O Hartig The Semantic Web: Research and Applications: 6th European Semantic Web …, 2009	134	2009
Foundations of an alternative approach to reification in RDF O Hartig, B Thompson arXiv preprint arXiv:1406.3399, 2014	110	2014
Zero-knowledge query planning for an iterator implementation of link traversal based query execution O Hartig Extended Semantic Web Conference, 154-169, 2011	108	2011
Reconciliation of RDF* and property graphs O Hartig arXiv preprint arXiv:1409.3288, 2014	104	2014
A database perspective on consuming linked data on the web O Hartig, A Langegger Datenbank-Spektrum 10, 57-66, 2010	102	2010
An overview on execution strategies for linked data queries O Hartig Datenbank-Spektrum 13, 89-99, 2013	94	2013
SPARQL for a Web of Linked Data: Semantics and computability O Hartig Extended Semantic Web Conference, 8-23, 2012	79	2012
CostFed: Cost-based query optimization for SPARQL endpoint federation M Saleem, A Potocki, T Soru, O Hartig, ACN Ngomo Procedia Computer Science 137, 163-174, 2018	70	2018
Provenance XG final report Y Gil, J Cheney, PT Groth, O Hartig, S Miles, L Moreau, PP Da Silva W3C, 2010	69	2010

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