Olaf Hartig
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Executing SPARQL queries over the web of linked data
O Hartig, C Bizer, JC Freytag
International semantic web conference, 293-309, 2009
Diversified Stress Testing of RDF Data Management Systems
G Aluç, O Hartig, MT Ozsu, K Daudjee
13th International Semantic Web Conference (ISWC), 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
Provenance information in the web of data
O Hartig
LDOW, 2009
Using web data provenance for quality assessment
O Hartig, J Zhao
CEUR Workshop Proceedings, 2009
Querying datasets on the web with high availability
R Verborgh, O Hartig, B De Meester, G Haesendonck, L De Vocht, ...
International Semantic Web Conference, 180-196, 2014
Publishing and consuming provenance metadata on the web of linked data
O Hartig, J Zhao
International Provenance and Annotation Workshop, 78-90, 2010
The SPARQL query graph model for query optimization
O Hartig, R Heese
European Semantic Web Conference, 564-578, 2007
Querying trust in rdf data with tsparql
O Hartig
European Semantic Web Conference, 5-20, 2009
A database perspective on consuming linked data on the web
O Hartig, A Langegger
Datenbank-Spektrum 10 (2), 57-66, 2010
Zero-knowledge query planning for an iterator implementation of link traversal based query execution
O Hartig
Extended Semantic Web Conference, 154-169, 2011
An overview on execution strategies for Linked Data queries
O Hartig
Datenbank-Spektrum 13 (2), 89-99, 2013
Reconciliation of RDF* and property graphs
O Hartig
arXiv preprint arXiv:1409.3288, 2014
Foundations of an alternative approach to reification in RDF
O Hartig, B Thompson
arXiv preprint arXiv:1406.3399, 2014
Semantics and complexity of GraphQL
O Hartig, J Pérez
Proceedings of the 2018 World Wide Web Conference, 1155-1164, 2018
SPARQL for a Web of Linked Data: Semantics and computability
O Hartig
Extended Semantic Web Conference, 8-23, 2012
Provenance XG final report
Y Gil, J Cheney, PT Groth, O Hartig, S Miles, L Moreau, ...
W3C Incubator Group Reports, 2010
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
Foundations of traversal based query execution over linked data
O Hartig, JC Freytag
Proceedings of the 23rd ACM conference on Hypertext and social media, 43-52, 2012
SQUIN: a traversal based query execution system for the web of linked data
O Hartig
Proceedings of the 2013 ACM SIGMOD International Conference on Management of …, 2013
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