1 code implementation • 13 Feb 2024 • Philipp Seifer, Daniel Hernández, Ralf Lämmel, Steffen Staab
However, it becomes challenging to understand what graph data can be expected at the end of a data processing pipeline without knowing the particular input data: Shape constraints on the input graph may affect the output graph, but may no longer apply literally, and new shapes may be imposed by the query template.
1 code implementation • 12 Jul 2021 • Philipp Seifer, Ralf Lämmel, Steffen Staab
In RDF representations, this error can be addressed by shape languages such as SHACL or ShEx, which allow for checking whether graphs are valid with respect to a set of domain constraints.