https://w3id.org/framester/conceptnet5/data/en/service_mark.n

<https://w3id.org/framester/conceptnet5/data/en/trademark>
<https://w3id.org/framester/conceptnet5/data/en/product>
<https://w3id.org/framester/conceptnet5/data/en/service>

risorse dalla linked data cloud