Symbols used to specify different Linked Data Serializations.
Includes functions to coerce formats from clojure keywords / file extension strings into their underlying RDF4j RDFFormat object.
Supported format keywords are:
:brf :json :n3 :nq :nt :rdf (also :owl :rdfs :xml) :rj :trig :trix :ttl
Symbols used to specify different Linked Data Serializations. Includes functions to coerce formats from clojure keywords / file extension strings into their underlying RDF4j RDFFormat object. Supported format keywords are: :brf :json :n3 :nq :nt :rdf (also :owl :rdfs :xml) :rj :trig :trix :ttl
Functions & Protocols for serializing Grafter Statements to (and from) any Linked Data format supported by RDF4j.
Functions & Protocols for serializing Grafter Statements to (and from) any Linked Data format supported by RDF4j.
Functions for constructing and working with various RDF4j repositories.
Functions for constructing and working with various RDF4j repositories.
Namespace containing functions to manage the global registry of Sesame parsers.
Normally you should not need to adjust the default global registries, however if you need tighter control over what serialisation format is negotiated on a SPARQL endpoint; for example if the endpoint you are talking to has a serialisation bug then you can force the use of different parser by removing the problematic one.
Be warned though, these registries apply globally (process wide), so altering them may have unintended consequences.
Namespace containing functions to manage the global registry of Sesame parsers. Normally you should not need to adjust the default global registries, however if you need tighter control over what serialisation format is negotiated on a SPARQL endpoint; for example if the endpoint you are talking to has a serialisation bug then you can force the use of different parser by removing the problematic one. Be warned though, these registries apply globally (process wide), so altering them may have unintended consequences.
Functions for executing SPARQL queries with grafter RDF repositories, that support basic binding replacement etc.
Functions for executing SPARQL queries with grafter RDF repositories, that support basic binding replacement etc.
An implementation of SPARQL Property Paths[1] for grafter
/rdf4j
.
[1] https://www.w3.org/TR/sparql11-query/#propertypaths
iri | PredicatePath | An IRI. A path of length one.
^elt | InversePath | Inverse path (object to subject).
elt1 / elt2 | SequencePath | A sequence path of elt1 followed by elt2.
elt1 | elt2 | AlternativePath | A alternative path of elt1 or elt2 (all possibilities are tried).
elt* | ZeroOrMorePath | A path that connects the subject and object of the path by zero or more matches of elt.
elt+ | OneOrMorePath | A path that connects the subject and object of the path by one or more matches of elt.
elt? | ZeroOrOnePath | A path that connects the subject and object of the path by zero or one matches of elt.
!expression | NegatedPropertySet | Negated property set. An IRI which is not one of expression
. !iri is short for !(iri).
(elt) | | A group path elt, brackets control precedence.A zero occurrence of a path element always matches.
The order of IRIs, and reverse IRIs, in a negated property set is not significant and they can occur in a mixed order.
The precedence of the syntax forms is, from highest to lowest:
Precedence is left-to-right within groups.
An implementation of SPARQL Property Paths[1] for `grafter`/`rdf4j`. [1] https://www.w3.org/TR/sparql11-query/#propertypaths Syntax Form | Property Path Expression Name | Matches ===================================================== iri | PredicatePath | An IRI. A path of length one. ^elt | InversePath | Inverse path (object to subject). elt1 / elt2 | SequencePath | A sequence path of elt1 followed by elt2. elt1 | elt2 | AlternativePath | A alternative path of elt1 or elt2 (all possibilities are tried). elt* | ZeroOrMorePath | A path that connects the subject and object of the path by zero or more matches of elt. elt+ | OneOrMorePath | A path that connects the subject and object of the path by one or more matches of elt. elt? | ZeroOrOnePath | A path that connects the subject and object of the path by zero or one matches of elt. !expression | NegatedPropertySet | Negated property set. An IRI which is not one of `expression`. !iri is short for !(iri). (elt) | | A group path elt, brackets control precedence.A zero occurrence of a path element always matches. The order of IRIs, and reverse IRIs, in a negated property set is not significant and they can occur in a mixed order. The precedence of the syntax forms is, from highest to lowest: * IRI, prefixed names * Negated property sets * Groups * Unary operators *, ? and + * Unary ^ inverse links * Binary operator / * Binary operator | Precedence is left-to-right within groups.
Functions for converting tree's of turtle-like data into Linked Data statements (triples/quads).
Functions for converting tree's of turtle-like data into Linked Data statements (triples/quads).
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