Example with INPUT Pragma grab-depth

The following example demonstrates usage of the grab-depth pragma:

DEFINE input:grab-var "?more"
DEFINE input:grab-depth 10
DEFINE input:grab-limit 100
DEFINE input:grab-base "http://www.openlinksw.com/dataspace/kidehen@openlinksw.com/weblog/kidehen@openlinksw.com%27s%20BLOG%20%5B127%5D/1300"
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 ?id ?firstname ?nick
WHERE 
  {
    GRAPH ?g {
               ?id rdf:type foaf:Person .
               ?id foaf:firstName ?firstname .
               ?id foaf:knows ?fn .
               ?fn foaf:nick ?nick .
               OPTIONAL { ?id rdfs:SeeAlso ?more }
            }
  }
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