quora-faq-built-in-inference.sql

-- Cleanup

SPARQL CLEAR GRAPH <urn:inference:oplfaq> ;

SPARQL CLEAR GRAPH <https://github.com/OpenLinkSoftware/Turtle-Based-FAQ-Documents/raw/master/quora-faqs.ttl> ;

DELETE
FROM DB.DBA.SYS_RDF_SCHEMA 
WHERE RS_NAME = 'urn:inference:oplfaq:rule' ;

-- Load FAQ .TTL

SPARQL LOAD <https://github.com/OpenLinkSoftware/Turtle-Based-FAQ-Documents/raw/master/quora-faqs.ttl> ;

-- Load Rules

SPARQL 
PREFIX oplfaq: <http://www.openlinksw.com/ontology/faq#>
PREFIX schema: <http://schema.org/>

INSERT INTO GRAPH <urn:inference:oplfaq>
  {
    oplfaq:Agent           rdfs:subClassOf    schema:Agent .
    oplfaq:Question        rdfs:subClassOf    schema:Question .
    oplfaq:answer          rdfs:subPropertyOf schema:acceptedAnswer .
    oplfaq:hasQuestionText rdfs:subPropertyOf schema:text .
    oplfaq:hasAnswerText   rdfs:subPropertyOf schema:text .   
  } ;

-- Confirm addition of rules

SPARQL
PREFIX oplfaq: <http://www.openlinksw.com/ontology/faq#>
PREFIX schema: <http://schema.org/>

SELECT * 
FROM <urn:inference:oplfaq>
WHERE
  {
    ?s ?p ?o .
  };

-- Create built-in inference rule

rdfs_rule_set
  (
    'urn:inference:oplfaq:rule' ,
    'urn:inference:oplfaq'
  ) ;

SELECT * 
FROM DB.DBA.SYS_RDF_SCHEMA 
WHERE RS_NAME = 'urn:inference:oplfaq:rule' ; 

-- Test without built-in inference rule

SPARQL
PREFIX schema: <http://schema.org/>
PREFIX oplfaq: <http://www.openlinksw.com/ontology/faq#>

SELECT *
FROM <https://github.com/OpenLinkSoftware/Turtle-Based-FAQ-Documents/raw/master/quora-faqs.ttl>
WHERE
  {
    ?s a                     schema:Question ;
       schema:acceptedAnswer ?answer .
  } ;

-- Test with built-in inference rule

SPARQL
DEFINE input:inference 'urn:inference:oplfaq:rule'
PREFIX schema: <http://schema.org/>
PREFIX oplfaq: <http://www.openlinksw.com/ontology/faq#>

SELECT *
FROM <https://github.com/OpenLinkSoftware/Turtle-Based-FAQ-Documents/raw/master/quora-faqs.ttl>
WHERE
  {
    ?s a                     schema:Question ;
       schema:acceptedAnswer ?answer .
  } ;