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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
International semantic web conference, 293-309, 2009
5082009
Diversified Stress Testing of RDF Data Management Systems
G Aluç, O Hartig, MT Ozsu, K Daudjee
13th International Semantic Web Conference (ISWC), 2014
4092014
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
3722016
Provenance Information in the Web of Data.
O Hartig
LDOW 538, 2009
2842009
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
2332021
Using Web Data Provenance for Quality Assessment.
O Hartig, J Zhao
SWPM 526, 2009
1982009
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
1822014
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
1802010
The SPARQL query graph model for query optimization
O Hartig, R Heese
European Semantic Web Conference, 564-578, 2007
1622007
Semantics and complexity of GraphQL
O Hartig, J Pérez
Proceedings of the 2018 World Wide Web Conference, 1155-1164, 2018
1582018
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
1462017
Querying trust in rdf data with tsparql
O Hartig
The Semantic Web: Research and Applications: 6th European Semantic Web …, 2009
1332009
Zero-knowledge query planning for an iterator implementation of link traversal based query execution
O Hartig
Extended Semantic Web Conference, 154-169, 2011
1092011
Foundations of an alternative approach to reification in RDF
O Hartig, B Thompson
arXiv preprint arXiv:1406.3399, 2014
1042014
A database perspective on consuming linked data on the web
O Hartig, A Langegger
Datenbank-Spektrum 10, 57-66, 2010
1042010
Reconciliation of RDF* and property graphs
O Hartig
arXiv preprint arXiv:1409.3288, 2014
1022014
An overview on execution strategies for linked data queries
O Hartig
Datenbank-Spektrum 13, 89-99, 2013
922013
SPARQL for a Web of Linked Data: Semantics and computability
O Hartig
Extended Semantic Web Conference, 8-23, 2012
782012
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
692018
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
672012
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Artikler 1–20