https://w3id.org/framester/conceptnet5/data/en/pushdown_automaton <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/turing_machine> <https://w3id.org/framester/conceptnet5/data/en/cellular_automaton> <https://w3id.org/framester/conceptnet5/data/en/context_free_grammar> <https://w3id.org/framester/conceptnet5/data/en/unlimited_register_machine> risorse dalla linked data cloud