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Limitations

Tentris implements the RDF 1.1 and SPARQL 1.1 standards; here, only its limitations are detailed.

sameTerm

sameTerm has false positives in some known datatypes1 (e.g., xsd:integer), as the literals of known datatypes are canonicalized. For example, in Tentris, sameTerm("1"^^xsd:integer, "01"^^xsd:integer) evaluates to true.

Entailment Regimes

Entailment regimes (e.g., RDFS reasoning) are not supported yet (see roadmap).

Load Formats

Loading RDF data (i.e., SPARQL LOAD, graph store protocol, and tentris load) is limited to:

  • N-Triples (Content-Type: application/n-triples)
  • Turtle (Content-Type: text/turtle)
  • N-Quads (Content-Type: application/n-quads)
  • TriG (Content-Type: application/trig)
  • RDF/XML (Content-Type: application/rdf+xml)

Tentris does not currently support:

  • JSON-LD (Content-Type: application/ld+json)

  1. Known datatypes are all xsd types, except for xsd:string, owl:real, and owl:rational ↩