Example with pragma input:named-graph-uri

The following example demonstrates usage of the input:named-graph-uri pragma.

DEFINE input:grab-follow-predicate <foaf:knows>
DEFINE input:grab-var "their_id"
DEFINE input:named-graph-uri <http://www.openlinksw.com/dataspace/person/kidehen@openlinksw.com>
DEFINE input:grab-depth 2
DEFINE input:grab-limit 350
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>

SELECT DISTINCT ?my_id ?firstname ?Knows ?their_id
WHERE
  {
    GRAPH ?g
      {
        ?my_id a foaf:Person           ;
            foaf:firstName ?firstname  ;
            foaf:knows ?their_id       .
        ?their_id foaf:nick ?Knows     .
      }
  }
LIMIT 10

• View the SPARQL Query Definition via SPARQL Protocol URL
• View the SPARQL Query Results via SPARQL Protocol URL

Sponger Usage Examples

• SPARQL Processor Usage Example
• RDF Proxy Service Example
• Browsing & Exploring RDF View Example Using ODE
• Browsing & Exploring RDF View Example Using iSPARQL
• Basic Sponger Cartridge Example
• HTTP Example for Extracting Metadata using CURL
• RESTFul Interaction Examples
• Flickr Cartridge Example
• MusicBrainz Metadatabase Example
• SPARQL Tutorial -- Magic of SPARUL and Sponger

Related

• Sponger's Linked Data Middleware Hooks into SPARQL
• Virtuoso Sponger
• Technical White Paper
• Supported Virtuoso Sponger Cartridges
• SPARQL Sponger
• Interacting with Sponger Middleware via RESTful Patterns
• Interacting with Sponger Meta Cartridge via RESTful Patterns
• Sponger Cartridge RDF Extractor
• Extending SPARQL IRI Dereferencing with RDF Mappers
• Programmer Guide for Virtuoso Linked Data Middleware ("Sponger")
• Create RDF Custom Cartridge Tutorial
• OpenLink-supplied Virtuoso Sponger Cartridges
• Virtuoso Authentication Server
• Virtuoso SPARQL OAuth Tutorial
• Virtuoso Sponger Access Control List (ACL) Setup
• WebID Protocol & SPARQL Endpoint ACLs Tutorial
• Virtuoso Documentation