Question: How many taxonomic ranks match a taxon rank of the taxon whose taxon name is Aves (the taxon author of this statement is Carl Linnaeus) ?
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SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "taxonomic rank" . ?e_1 <taxon_rank> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "taxon" . ?e_1 <taxon_name> ?pv . ?pv <pred:value> "Aves" . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <taxon_name> ; <pred:fact_t> ?pv ] <taxon_author> ?qpv . ?qpv <pred:value> "Carl Linnaeus" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: taxon name
Aves
function: QFilterStr
dependencies: 1
inputs: taxon author
Carl Linnaeus
function: FilterConcept
dependencies: 2
inputs: taxon
function: Relate
dependencies: 3
inputs: taxon rank
forward
function: FilterConcept
dependencies: 4
inputs: taxonomic rank
function: Count
dependencies: 5
Answer: 1