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Optimizing Federated Queries Based on the Physical Design of a Data Lake
[article]
2020
arXiv
pre-print
The optimization of query execution plans is known to be crucial for reducing the query execution time. In particular, query optimization has been studied thoroughly for relational databases over the past decades. Recently, the Resource Description Framework (RDF) became popular for publishing data on the Web. As a consequence, federations composed of different data models like RDF and relational databases evolved. One type of these federations are Semantic Data Lakes where every data source is
arXiv:2002.08102v2
fatcat:feo574r3d5eldpge4w3onb3qse