https://w3id.org/framester/conceptnet5/data/en/slippery <https://w3id.org/framester/conceptnet5/schema/AtLocation> <https://w3id.org/framester/conceptnet5/data/en/street> <https://w3id.org/framester/conceptnet5/data/en/beach> <https://w3id.org/framester/conceptnet5/data/en/sea> <https://w3id.org/framester/conceptnet5/data/en/water> <https://w3id.org/framester/conceptnet5/data/en/any_ocean> risorse dalla linked data cloud