Publications
Sijin Cheng, Sebastian Ferrada, Olaf Hartig
(2023)
Considering Vocabulary Mappings in Query Plans for Federations of RDF Data Sources
Proceedings of the 29th International Conference on Cooperative Information Systems (CoopIS)
Sijin Cheng, Olaf Hartig
(2023)
A Cost Model to Optimize Queries over Heterogeneous Federations of RDF Data Sources
Joint Proceedings of the ESWC 2023 Workshops and Tutorials co-located with 20th European Semantic Web Conference (ESWC 2023)
Sijin Cheng, Olaf Hartig
(2022)
Source Selection for SPARQL Endpoints: Fit for Heterogeneous Federations of RDF Data Sources?
Proceedings of the QuWeDa 2022: 6th Workshop on Storing, Querying and Benchmarking Knowledge Graphs co-located with 21st International Semantic Web Conference {(ISWC} 2022)
Sijin Cheng, Olaf Hartig
(2022)
Towards Query Processing over Heterogeneous Federations of RDF Data Sources
The Semantic Web: ESWC 2022 Satellite Events - Hersonissos, Crete, Greece, May 29 - June 2, 2022, Proceedings., p. 57-62
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Sijin Cheng, Olaf Hartig
(2022)
LinGBM: A Performance Benchmark for Approaches to Build GraphQL Servers
Web Information Systems Engineering – WISE 2022: 23rd International Conference, Biarritz, France, November 1–3, 2022, Proceedings, p. 209-224
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