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