ont-app.igraph-jena.core — ont-app/igraph-jena 0.2.3

ask-jena-model clj

(ask-jena-model g q)

Returns true/false for ASK query q posed to Jena model g

create-object-resource clj multimethod

returns a resource suitable as an object given g and object

• where
  • g is a Jena IGraph
  • object is any argument
• dispatched on fn [g obj] -> [(type g) (type obj)]

create-object-resource-dispatch clj

(create-object-resource-dispatch g o)

derivable-media-types clj

(derivable-media-types ont)

Returns {child parent, ...} for media types

• where
  • child should be declared to derive from parent, being subsumed by :dct/MediaTypeOrExtent
• note
  • these derivations would inform method dispatch for rdf/write-rdf methods.

get-subjects clj

(get-subjects jena-model)

Returns a sequence of KWIs corresponding to subjects in jena-model

interpret-binding-element clj

(interpret-binding-element elt)

Returns a KWI or literal value as appropriate to elt Where

• elt is bound to some variable in a query posed to a jena model.

load-rdf clj

(load-rdf to-load)

Returns a new graph initialized with to-load This is a wrapper around rdf/load-rdf with context as standard-io-context

make-jena-graph clj

(make-jena-graph)

(make-jena-graph model)

(make-jena-graph ds kwi)

Returns an implementation of igraph using a model or a named model in ds named kwi Where

• model is a jena model (optional; default is a jena default model)
• ds is a jena dataset to which we will declare a graph name with kwi
• kwi is a keyword identifier translatable to the URI of a named graph in ds

make-statement clj

(make-statement g s p o)

Returns a Jena Statment for s p and o

ontology clj

A native-normal graph holding the supporting ontology for igraph-jena

query-jena-model clj

(query-jena-model g q)

(query-jena-model query-op g q)

Returns (binding-map, ...) for q posed to g using query-op Where

• binding-map := {var value, ...}
• q is a SPARQL query
• g is a jena model
• query-op is the jena query operation (optional. defualt is #(.execSelect %)
• var is a keyword corresponding to a variable in q
• value is an interpretation of the value bound to var this will be either a KWI or a literal, as appropriate.

query-template-defaults clj

Jena-specific values for rdf/query-template-defaults. Supports bnode-round-tripping.

read-rdf clj

(read-rdf g to-read)

Side-effect: updates g to include contents of to-read This is a wrapper around rdf/read-rdf

standard-io-context clj

The standard context argument to igraph/rdf i/o methods

write-with-jena-writer clj

(write-with-jena-writer g target fmt)

(write-with-jena-writer g target fmt base)

Side-effect: writes contents of g to target in fmt

• Where
  • g is a jena igraph
  • target names a file
  • fmt names an RDF format, e.g. 'Turtle' or 'text/turtle'
  • base (optional) isthe base URI of any relative URIs. Default is nil.