Question: Is the publication date of the software license whose official website is https://www.apache.org/licenses/ before 1988 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "software license" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "https://www.apache.org/licenses/" . ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1988 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
https://www.apache.org/licenses/
function: FilterConcept
dependencies: 1
inputs: software license
function: QueryAttr
dependencies: 2
inputs: publication date
function: VerifyYear
dependencies: 3
inputs: 1988
<