2 papers
cs.DB2021
Trav-SHACL: Efficiently Validating Networks of SHACL Constraints
Mónica Figuera, Philipp D. Rohde, Maria-Esther Vidal
Knowledge graphs have emerged as expressive data structures for Web data. Knowledge graph potential and the demand for ecosystems to facilitate their creation, curation, and unders…
cs.DB2020
Optimizing Federated Queries Based on the Physical Design of a Data Lake
Philipp D. Rohde, Maria-Esther Vidal
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…