Question: Is 1960-09-09 the date of birth of the person with Libris-URI 42gjjgnn1tg4tsc?
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 <Libris-URI> ?pv_1 . ?pv_1 <pred:value> "42gjjgnn1tg4tsc" . ?e <date_of_birth> ?pv . ?pv <pred:date> "1960-09-09"^^xsd:date .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Libris-URI
42gjjgnn1tg4tsc
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth
function: VerifyDate
dependencies: 3
inputs: 1960-09-09
=