Question: Is the Libris-URI of a spouse of William Shakespeare (the one whose Google Doodle is celebrating-william-shakespeare), married to him until 23th April 1616, equal to sq468n7b43xn9sl ?
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_1 <spouse> ?e . ?e_1 <pred:name> "William Shakespeare" . ?e_1 <Google_Doodle> ?pv_1 . ?pv_1 <pred:value> "celebrating-william-shakespeare" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e ] <end_time> ?qpv . ?qpv <pred:date> "1616-04-23"^^xsd:date . ?e <Libris-URI> ?pv . ?pv <pred:value> "sq468n7b43xn9sl" .  }
Program:
function: Find
inputs: William Shakespeare
function: FilterStr
dependencies: 0
inputs: Google Doodle
celebrating-william-shakespeare
function: Relate
dependencies: 1
inputs: spouse
forward
function: QFilterDate
dependencies: 2
inputs: end time
1616-04-23
=
function: FilterConcept
dependencies: 3
inputs: human
function: QueryAttr
dependencies: 4
inputs: Libris-URI
function: VerifyStr
dependencies: 5
inputs: sq468n7b43xn9sl