A key prerequisite for the successful adoption of Shapes Constraint Language (SHACL)---the W3C standardized constraint language RDF graphs---is availability automated tools that efficiently validate targeted constraints (known as shapes graphs ) over possibly very large graphs. There are already significant efforts to produce optimized engines SHACL validation, but they focus on restricted frag...

Knowledge graphs such as Wikidata are created by a diversity of contributors and range sources leaving them prone to two types errors. The first type error, falsity facts, is addressed property through the representation provenance validity, making triples occur first-order objects in subject position metadata triples. second violation domain constraints, has not been with regard so far. In RDF...