The surf.serializer Module

surf.serializer.to_json(graph)

serializes a rdflib Graph or ConjunctiveGraph to JSON according to the specification of rdf-json for further details please see the following:

http://n2.talis.com/wiki/RDF_JSON_Specification

Serialization Example

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:foaf="http://xmlns.com/foaf/0.1/"
  xmlns:dc="http://purl.org/dc/elements/1.1/">
  <rdf:Description rdf:about="http://example.org/about">
    <dc:creator>Anna Wilder</dc:creator>
    <dc:title xml:lang="en">Anna's Homepage</dc:title>
    <foaf:maker rdf:nodeID="person" />
  </rdf:Description>
  <rdf:Description rdf:nodeID="person">
    <foaf:homepage rdf:resource="http://example.org/about" />
    <foaf:made rdf:resource="http://example.org/about" />
    <foaf:name>Anna Wilder</foaf:name>
    <foaf:firstName>Anna</foaf:firstName>
    <foaf:surname>Wilder</foaf:surname>
    <foaf:depiction rdf:resource="http://example.org/pic.jpg" />
    <foaf:nick>wildling</foaf:nick>
    <foaf:nick>wilda</foaf:nick>
    <foaf:mbox_sha1sum>69e31bbcf58d432950127593e292a55975bc66fd</foaf:mbox_sha1sum>
  </rdf:Description>
</rdf:RDF>

is represented in RDF-JSON as

{
    "http://example.org/about" : {
        "http://purl.org/dc/elements/1.1/creator" : [ { "value" : "Anna Wilder", "type" : "literal" } ],
        "http://purl.org/dc/elements/1.1/title"   : [ { "value" : "Anna's Homepage", "type" : "literal", "lang" : "en" } ] ,
        "http://xmlns.com/foaf/0.1/maker"         : [ { "value" : "_:person", "type" : "bnode" } ]
    } ,

    "_:person" : {
        "http://xmlns.com/foaf/0.1/homepage"      : [ { "value" : "http://example.org/about", "type" : "uri" } ] ,
        "http://xmlns.com/foaf/0.1/made"          : [ { "value" : "http://example.org/about", "type" : "uri" } ] ,
        "http://xmlns.com/foaf/0.1/name"          : [ { "value" : "Anna Wilder", "type" : "literal" } ] ,
        "http://xmlns.com/foaf/0.1/firstName"     : [ { "value" : "Anna", "type" : "literal" } ] ,
        "http://xmlns.com/foaf/0.1/surname"       : [ { "value" : "Wilder", "type" : "literal" } ] ,
        "http://xmlns.com/foaf/0.1/depiction"     : [ { "value" : "http://example.org/pic.jpg", "type" : "uri" } ] ,
        "http://xmlns.com/foaf/0.1/nick"          : [
                                                      { "type" : "literal", "value" : "wildling"} ,
                                                      { "type" : "literal", "value" : "wilda" }
                                                    ] ,
        "http://xmlns.com/foaf/0.1/mbox_sha1sum"  : [ {  "value" : "69e31bbcf58d432950127593e292a55975bc66fd", "type" : "literal" } ]
    }
}

for a more detailed description and the serialization algorithm please visit:

• http://n2.talis.com/wiki/RDF_JSON_Specification