Question: Does the person whose birth date is 1859-10-20, have a Libris-URI of 64jlnd7q3xvxx1j?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1859-10-20"^^xsd:date . ?e <Libris-URI> ?pv . ?pv <pred:value> "64jlnd7q3xvxx1j" .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: date of birth
1859-10-20
=
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Libris-URI
function: VerifyStr
dependencies: 3
inputs: 64jlnd7q3xvxx1j