Question: Was James Brown (the one whose date of death is 1939-03-21) born after 1917?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: James Brown
function: FilterDate
dependencies: 0
inputs: date of death
1939-03-21
=
function: QueryAttr
dependencies: 1
inputs: date of birth
function: VerifyYear
dependencies: 2
inputs: 1917
>
SPARQL: ASK { ?e <pred:name> "James Brown" . ?e <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1939-03-21"^^xsd:date . ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1917 ) .  }
Answer: no