Question: Was the kind of blues, famous for Taj Mahal (born 17th May 1942), created before 1598 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "blues" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Taj Mahal" . ?e_1 <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1942-05-17"^^xsd:date . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1598 ) .  }
Program:
function: Find
inputs: Taj Mahal
function: FilterDate
dependencies: 0
inputs: date of birth
1942-05-17
=
function: Relate
dependencies: 1
inputs: famous people
backward
function: FilterConcept
dependencies: 2
inputs: blues
function: QueryAttr
dependencies: 3
inputs: inception
function: VerifyYear
dependencies: 4
inputs: 1598
<