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The LUBM4OBDA Benchmark is an extension of the popular LUBM Benchmark to evaluate Ontology-Based Data Access (OBDA) engines over relational databases. In addition, LUBM4OBDA considers meta knowledge (also called reification or statement-level metadata) benchmarking. The main characteristics of LUBM4OBDA are: SQL data dumps for MySQL and PostgreSQL. Data generator for custom scaling factors. Original LUBM query set (queries 1-14). Meta knowledge query set for standard reification, singleton property and SPARQL-star (queries 15-18). R2RML and RML mappings.
{"references": ["Guo, Yuanbo, Zhengxiang Pan, and Jeff Heflin. \"LUBM: A benchmark for OWL knowledge base systems.\" Journal of Web Semantics 3.2-3 (2005): 158-182."]}
R2RML, knowledge graphs, SPARQL-star, LUBM, RDF-star, RML, SPARQL, data integration, OBDA, RDF
R2RML, knowledge graphs, SPARQL-star, LUBM, RDF-star, RML, SPARQL, data integration, OBDA, RDF
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