Question: Since when is the organization, whose official English website is http://www.xerox.com, uses 13.40.0.0/13, as the IPv4 routing prefix ?
Choices: 1986-04-25
1965-09-18
1947-08-15
1790-07-16
1913
1997-06-01
2001-01-25
1580
1945-08-15
1973-12-21
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "organization" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.xerox.com" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv_1 ] <language_of_work_or_name> ?qpv_1 . ?qpv_1 <pred:value> "English" . ?e <IPv4_routing_prefix> ?pv . ?pv <pred:value> "13.40.0.0/13" . [ <pred:fact_h> ?e ; <pred:fact_r> <IPv4_routing_prefix> ; <pred:fact_t> ?pv ] <start_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.xerox.com
function: QFilterStr
dependencies: 1
inputs: language of work or name
English
function: FilterConcept
dependencies: 2
inputs: organization
function: QueryAttrQualifier
dependencies: 3
inputs: IPv4 routing prefix
13.40.0.0/13
start time
Answer: 1986-04-25