Question: Is Dewey Decimal Classification for an academic discipline, practiced by librarians, equal to 020 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: librarian
function: Relate
dependencies: 0
inputs: practiced by
backward
function: FilterConcept
dependencies: 1
inputs: academic discipline
function: QueryAttr
dependencies: 2
inputs: Dewey Decimal Classification
function: VerifyStr
dependencies: 3
inputs: 020
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "academic discipline" . ?e <practiced_by> ?e_1 . ?e_1 <pred:name> "librarian" .  ?e <Dewey_Decimal_Classification> ?pv . ?pv <pred:value> "020" .  }
Answer: yes