Question: Did someone born on 1906-01-01 die on 2003-08-30 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1906-01-01"^^xsd:date . ?e <date_of_death> ?pv . ?pv <pred:date> "2003-08-30"^^xsd:date .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: date of birth
1906-01-01
=
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of death
function: VerifyDate
dependencies: 3
inputs: 2003-08-30
=