skosConcept prefLabel altLabel
http://data.europa.eu/949/concepts/etcs-infills/eratv/None 
"None"
http://data.europa.eu/949/concepts/etcs-infills/eratv/gsm-r 
"GSM-R"
http://data.europa.eu/949/concepts/etcs-infills/eratv/loop 
"loop"