Question: When did Chris Martin become Gwyneth Paltrow's husband?
Choices:
1979-10-25
2013-07-16
1897-03-04
1989-09-09
1997-10-16
1956-01-01
1944-07-03
2013-07-12
2010-04-27
2003-12-05
Program:
function: Find
inputs: Gwyneth Paltrow
function: Relate
dependencies: 0
inputs: spouse
backward
function: Find
inputs: Chris Martin
function: And
dependencies: 1
2
function: Find
inputs: Gwyneth Paltrow
function: QueryRelationQualifier
dependencies: 3
4
inputs: spouse
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Chris Martin" . ?e_1 <spouse> ?e_3 . ?e_3 <pred:name> "Gwyneth Paltrow" . ?e_2 <pred:name> "Gwyneth Paltrow" . ?e_1 <spouse> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Answer: 2003-12-05