https://w3id.org/framester/conceptnet5/data/en/metra <https://w3id.org/framester/conceptnet5/schema/AtLocation> <https://w3id.org/framester/conceptnet5/data/en/unite_state> <https://w3id.org/framester/conceptnet5/data/en/chicago_metropolitan_area> <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/organisation> <https://w3id.org/framester/conceptnet5/data/en/public_transit_system> <https://w3id.org/framester/conceptnet5/data/en/commuter_rail> risorse dalla linked data cloud