Working with RDF and LinkML
LinkML can be used to structure data housed as RDF triples, and to convert data between RDF and other forms.
Our philosophy is to allow reuse of semantic web and linked data tooling without forcing a commitment to the full RDF stack, which many developers find daunting or off-putting
Converting and validating RDF
linkml-validate (see previous section) will work with RDF data. Any RDF serialization format that is supported by RDFLib can be used.
JSON-LD contexts can be generated from any LinkML schema. These are
compatible with the JSON objects that conform to the same schema. This
allows model developers to control both the shape of the JSON and how
it maps to RDF in a single model rather than having these be
When this JSON-LD context is combined with JSON it generates valid RDF
Note there are some features missing from JSON-LD generation:
@type information is not generated at all levels
@embed is not generated for JSON-LD framing, limiting the ability to translate from RDF to JSON
These should be addressed in future LinkML releases
ShEx and SHACL
A ShEx or SHACL shapefile can be generated from any LinkML schema
OWL can be generated from an LinkML schema. Note that OWL has open
world-semantics which makes it less suitable for data structure
validation. However, generation of OWL can be useful for leveraging OWL tooling.