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

<https://w3id.org/framester/conceptnet5/data/en/microscope>
<https://w3id.org/framester/conceptnet5/data/en/telescope>
<https://w3id.org/framester/conceptnet5/data/en/eyesight>

risorse dalla linked data cloud