2 papers
cs.DB2020
Consistency and Certain Answers in Relational to RDF Data Exchange with Shape Constraints
Iovka Boneva, Jose Lozano, Sławek Staworko
We investigate the data exchange from relational databases to RDF graphs inspired by R2RML with the addition of target shape schemas. We study the problems of consistency i.e., che…
cs.DB2018
Relational to RDF Data Exchange in Presence of a Shape Expression Schema
Iovka Boneva, Jose Lozano, Sławek Staworko
We study the relational to RDF data exchange problem, where the tar- get constraints are specified using Shape Expression schema (ShEx). We investi- gate two fundamental problems:…