Question: Does the association football club that has David Byrne (the one that is a member of C.F. Os Belenenses) as a member (the start time of this statement is 1983), have an official website equal to http://www.idsoftware.com?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "David Byrne" . ?e_1 <member_of_sports_team> ?e_2 . ?e_2 <pred:name> "C.F. Os Belenenses" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e ] <start_time> ?qpv . ?qpv <pred:year> 1983 . ?e <official_website> ?pv . ?pv <pred:value> "http://www.idsoftware.com" .  }
Program:
function: Find
inputs: C.F. Os Belenenses
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: David Byrne
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: member of sports team
forward
function: QFilterYear
dependencies: 4
inputs: start time
1983
=
function: FilterConcept
dependencies: 5
inputs: association football club
function: QueryAttr
dependencies: 6
inputs: official website
function: VerifyStr
dependencies: 7
inputs: http://www.idsoftware.com