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Olaf Hartig
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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
4992009
Diversified Stress Testing of RDF Data Management Systems
G Aluç, O Hartig, MT Ozsu, K Daudjee
13th International Semantic Web Conference (ISWC), 2014
3752014
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
3472016
Provenance Information in the Web of Data.
O Hartig
LDOW 538, 2009
2852009
Using web data provenance for quality assessment
O Hartig, J Zhao
CEUR Workshop Proceedings, 2009
1962009
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
1742014
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
1712010
The SPARQL query graph model for query optimization
O Hartig, R Heese
European Semantic Web Conference, 564-578, 2007
1642007
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
1322021
Querying trust in rdf data with tsparql
O Hartig
The Semantic Web: Research and Applications: 6th European Semantic Web …, 2009
1322009
Semantics and complexity of GraphQL
O Hartig, J Pérez
Proceedings of the 2018 World Wide Web Conference, 1155-1164, 2018
1272018
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
1132017
Foundations of an alternative approach to reification in RDF
O Hartig, B Thompson
arXiv preprint arXiv:1406.3399, 2014
1012014
Zero-knowledge query planning for an iterator implementation of link traversal based query execution
O Hartig
Extended Semantic Web Conference, 154-169, 2011
1002011
A database perspective on consuming linked data on the web
O Hartig, A Langegger
Datenbank-Spektrum 10, 57-66, 2010
1002010
Reconciliation of RDF* and property graphs
O Hartig
arXiv preprint arXiv:1409.3288, 2014
942014
An overview on execution strategies for Linked Data queries
O Hartig
Datenbank-Spektrum 13, 89-99, 2013
882013
SPARQL for a Web of Linked Data: Semantics and computability
O Hartig
Extended Semantic Web Conference, 8-23, 2012
752012
Bindings-restricted triple pattern fragments
O Hartig, C Buil-Aranda
OTM Confederated International Conferences" On the Move to Meaningful …, 2016
622016
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
582018
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