Question: Which website represents the US city with 2016 inhabitants in the year 1910?
Choices:
http://www.ci.hillsboro.or.us
http://www.ci.oceanside.ca.us
http://www.rp-productions.com/roman.html
http://www.maccabi-tlv.co.il/
http://www.reba.com/
http://www.kingrecords.co.jp
http://www.stv.tv
http://www.wayneohio.org
http://www.sftv.org/cw
http://nutsandboltsfoundation.org/
Answer: http://www.ci.hillsboro.or.us
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <population> ?pv_1 . ?pv_1 <pred:unit> "1" . ?pv_1 <pred:value> "2016"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv_1 ] <point_in_time> ?qpv . ?qpv <pred:year> 1910 . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: population
2016
=
function: QFilterYear
dependencies: 1
inputs: point in time
1910
=
function: FilterConcept
dependencies: 2
inputs: city of the United States
function: QueryAttr
dependencies: 3
inputs: official website