{

@prefix : <#> . 

[ a :HappyPerson; schema:identifier :joe ]   :during   [  :start  "2018-08-24T08:00:00Z"^^xsd:dateTime; 
                                                           :end "2018-08-24T12:00:00Z"^^xsd:dateTime  ] .
 
[ a :SadPerson; schema:identifier :joe ]  :during   [  :start  "2018-08-24T12:00:00Z"^^xsd:dateTime; 
                                                      :end "2018-08-24T11:60:00Z"^^xsd:dateTime ] .

}


# State of :joe between 
# Via SPARQL Inference Rule Template

DEFINE get:soft "no-sponge"
PREFIX : <http://kingsley.idehen.net/public_home/kidehen/Public/Linked%20Data%20Documents/Tutorials/n3-to-blank-node.txt/#> 

PREFIX : <#> 

# CONSTRUCT {?s a ?state}
SELECT DISTINCT ?o
FROM <http://kingsley.idehen.net/public_home/kidehen/Public/Linked%20Data%20Documents/Tutorials/n3-to-blank-node.txt>
WHERE { 
          [] a ?o ; 
             :during [:start "2018-08-24T12:00:00Z"^^xsd:dateTime; :end "2018-08-24T11:60:00Z"^^xsd:dateTime] .
          # ?s schema:identifier ?thing .
          # ?thing a ?state . 
          # FILTER ( :start = "2018-08-24T12:00:00Z"^^xsd:dateTime and :end = "2018-08-24T11:60:00Z"^^xsd:dateTime )
          FILTER (CONTAINS(STR(?o),'Person'))
       }