Question: Is the work period start date of the person whose Twitter username is bobmarley (having 1427560 subscribers) prior to the year 1960?
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 <Twitter_username> ?pv_1 . ?pv_1 <pred:value> "bobmarley" . [ <pred:fact_h> ?e ; <pred:fact_r> <Twitter_username> ; <pred:fact_t> ?pv_1 ] <number_of_subscribers> ?qpv . ?qpv <pred:unit> "1" . ?qpv <pred:value> "1427560"^^xsd:double . ?e <work_period_(start)> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1960 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
bobmarley
function: QFilterNum
dependencies: 1
inputs: number of subscribers
1427560
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: work period (start)
function: VerifyYear
dependencies: 4
inputs: 1960
<