[2] Common Alerting Protocol, 2010-07-01T16:02:47.000Z, 2023-12-02T12:24:12.807Z http://docs.oasis-open.org/emergency/cap/v1.2/CAP-v1.2-os.html
[1] Example Practices: CAP Feeds Version 1.0 (2014-03-05 02:00:00 +09:00 版) https://docs.oasis-open.org/emergency-adopt/cap-feeds/v1.0/cap-feeds-v1.0.html