https://w3id.org/framester/conceptnet5/data/en/mother_day

<https://w3id.org/framester/conceptnet5/data/en/time>
<https://w3id.org/framester/conceptnet5/data/en/holiday_time_topic>
<https://w3id.org/framester/conceptnet5/data/en/secular_holiday>

risorse dalla linked data cloud