01_03_compoundMembersCount.ttl

@base <http://www.openphacts.org/api#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix uniprot: <http://purl.uniprot.org/core/> .
@prefix api: <http://purl.org/linked-data/api/vocab#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ops: <http://www.openphacts.org/api#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix chembl: <http://rdf.ebi.ac.uk/terms/chembl#> .
@prefix obo: <http://www.semantic-systems-biology.org/ontology/rdf/OBO#> .
@prefix goa: <http://www.semantic-systems-biology.org/ontology/rdf/GOA#> .

<#compound> a api:API ;
	rdfs:label "Compound"@en ;
	api:sparqlEndpoint <http://alpha.openphacts.org:8890/sparql/> ;
	api:contentNegotiation api:parameterBased ;
	api:variable <#input> ;
	api:dataset <http://www.ebi.ac.uk/chebi> ;
	api:vocabulary rdfs: ;
	api:vocabulary skos: ;
	api:vocabulary uniprot: ;
	api:vocabulary dcterms: ;
	api:description "An API configuration to return information about compounds." ;
	api:endpoint [
		a api:ItemEndpoint ;
		api:name "Compound Class Members: Count" ;
		api:description "The number of compounds classified with the given class in the supported hierarchies. Currently the only supported hierarchy is the ChEBI Ontology." ;
		api:itemTemplate "{uri}" ;
		api:variable <http://www.ebi.ac.uk/chebi> ;
		api:uriTemplate "/compound/members/count?uri={uri}" ;
		api:exampleRequestPath "/compound/members/count?uri=http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FCHEBI_24431";
		api:viewer <#compoundMemberCountViewer> ;
		api:defaultViewer <#compoundMemberCountViewer> ] .

<http://www.ebi.ac.uk/chebi> api:label "ChEBI Ontology" .
<http://www.ebi.ac.uk/chebi> api:name "chebi" .

<#input> api:name "uri" ;
        api:label "uri";
        api:value "A class URI from one of the supported hierarchies. e.g.: http://purl.obolibrary.org/obo/CHEBI_24431" ;
        rdfs:range rdfs:Resource .

<#compoundMemberCountViewer> a api:Viewer ;
	api:name "compoundMemberCountViewer";
	api:template
"?ops_item ops:memberCount ?count . ";
	api:where
"{
SELECT ( COUNT ( DISTINCT ?item ) AS ?count ) WHERE {
GRAPH <http://www.ebi.ac.uk/chebi/inference> {
        ?child_node rdfs:subClassOf ?node_uri .
}
GRAPH <http://www.ebi.ac.uk/chebi> {
        ?item rdfs:subClassOf|rdfs:subClassOf/owl:someValuesFrom ?child_node .
}
} }" .