MarkLogic 9 Product Documentation
sem:rdf-load

sem:rdf-load(
   $location as xs:string,
   [$options as xs:string*],
   [$http-opts as element()?],
   [$permissions as item()*],
   [$collections as xs:string*],
   [$quality as xs:int?],
   [$forest-ids as xs:unsignedLong*]
) as xs:string*

Summary

This function inserts an RDF document from a specified location into the designated database. It also creates the graph metadata for the graph specified by the "graph=URI" or "override-graph=URI" option. This is an update function that returns the document URIs of inserted documents.

Parameters
location	The location of the input file. If the file is not a recognized format, an exception is thrown.
options	Parsing options: Only one base, or graph, or override-graph option along with one format option (ntriple, nquad, turtle, trig, n3, rdfxml, or rdfjson) is allowed. The graph and override-graph options cannot be used together. Valid options include: base=URI A base URI to use during parsing. graph=URI The graph/context value to give to quads with no explicit graph specified in the data. Cannot be used with override-graph=URI (or an exception is thrown). override-graph=URI The graph/context value to give to every quad, whether specified in the data or not. Cannot be used with graph=URI (or an exception is thrown). directory=URI The database directory path. ntriple Specify N-Triples format for input. nquad Specify N-Quads format for input (default). turtle Specify Turtle format for input. rdfxml Specify RDF/XML format for input. rdfjson Specify RDF/JSON format for input. triplexml Specify `sem:triple` XML format for input, either a single `sem:triple` element or multiple elements under a root element. If you use the `triplexml` option, you cannot specify a graph. n3 Specify N3 format for input. trig Specify TriG format for input. repair Specify to repair if possible, or discard individual triples that do not parse correctly. Otherwise any malformed input results in an exception.
http-opts	An options node as described for the function `xdmp:http-get`.
permissions	Permissions to apply to the inserted documents. When run in an XQuery context, the permissions are a sequence of XML elements (sec:permission). When importing this module into a Server-Side JavaScript context, the permissions are an array of Objects.
collections	Additional collections to set on inserted documents. If you use the collections argument when inserting triples, no graph document will be created for these collections.
quality	The quality setting for inserted documents.
forest-ids	The forest-ids to use for inserted documents.

Required Privileges

http://marklogic.com/xdmp/privileges/xdmp-document-get

Usage Notes

Using additional collections with sem:rdf-load in the context of SPARQL Update can result in undefined behavior.

Example

xquery version "1.0-ml"; 
 
import module namespace sem = "http://marklogic.com/semantics" 
      at "/MarkLogic/semantics.xqy";
 
sem:rdf-load('C:/data/example.rdf', "rdfxml")
 
 => 
    /triplestore/fbd28af1471b39e9.xml

Example

xquery version "1.0-ml"; 
 
import module namespace sem = "http://marklogic.com/semantics" 
      at "/MarkLogic/semantics.xqy";
	  
sem:rdf-load(
    'C:/data/books.ttl',
    ("turtle", "graph=http://marklogic.com/semantics/sb/books1/"),
    (),
    xdmp:permission("demo-reader", "read")
    )
	
=>
    /triplestore/fbd28af1471b39e9.xml
  (: permissions on graph for demo-reader now set to "read" :)

MarkLogic 9 Product Documentationsem:rdf-load

Summary

Required Privileges

Usage Notes

Example

Example

MarkLogic 9 Product Documentation
sem:rdf-load