Example with pragma sql:signal-void-variables
The following example demonstrates usage of the sql:signal-void-variables pragma:
DEFINE sql:signal-void-variables 1
DEFINE input:default-graph-uri <http://www.openlinksw.com/dataspace/>
SELECT * WHERE
{
?s ?p ?o
}
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