@prefix rr: <http://www.w3.org/ns/r2rml#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix fnml: <http://semweb.mmlab.be/ns/fnml#>.
@prefix fno: <https://w3id.org/function/ontology#>.
@prefix d2rq: <http://www.wiwiss.fu-berlin.de/suhl/bizer/D2RQ/0.1#>.
@prefix void: <http://rdfs.org/ns/void#>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix foaf: <http://xmlns.com/foaf/0.1/>.
@prefix rml: <http://semweb.mmlab.be/ns/rml#>.
@prefix ql: <http://semweb.mmlab.be/ns/ql#>.
@prefix : <http://mapping.example.com/>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
@prefix rev: <http://purl.org/stuff/rev#>.
@prefix gtfs: <http://vocab.gtfs.org/terms#>.
@prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>.
@prefix schema: <http://schema.org/>.
@prefix dct: <http://purl.org/dc/terms/>.

:rules_000 a void:Dataset;
    void:exampleResource :map_stops_000.
:map_stops_000 rml:logicalSource :source_000.
:source_000 a rml:LogicalSource;
    rml:source "./data/gtfs-csv-01/STOPS.csv";
    rml:referenceFormulation ql:CSV.
:map_stops_000 a rr:TriplesMap;
    rdfs:label "stops".
:s_000 a rr:SubjectMap.
:map_stops_000 rr:subjectMap :s_000.
:s_000 rr:template "http://transport.linkeddata.es/madrid/metro/stops/{stop_id}".
:pom_000 a rr:PredicateObjectMap.
:map_stops_000 rr:predicateObjectMap :pom_000.
:pm_000 a rr:PredicateMap.
:pom_000 rr:predicateMap :pm_000.
:pm_000 rr:constant rdf:type.
:pom_000 rr:objectMap :om_000.
:om_000 a rr:ObjectMap;
    rr:constant "http://vocab.gtfs.org/terms#Stop";
    rr:termType rr:IRI.
:pom_001 a rr:PredicateObjectMap.
:map_stops_000 rr:predicateObjectMap :pom_001.
:pm_001 a rr:PredicateMap.
:pom_001 rr:predicateMap :pm_001.
:pm_001 rr:constant gtfs:parentStation.
:pom_001 rr:objectMap :om_001.
:om_001 a rr:ObjectMap;
    rr:parentTriplesMap :map_stops_000;
    rr:joinCondition :jc_000.
:jc_000 rr:child "parent_station";
    rr:parent "stop_id".