<https://www.f5.com/ja_jp/company/events/webinars/add-cloud-native-network-functions-for-both-4g-and-5g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.f5.com/ja_jp/company/events/webinars/add-cloud-native-network-functions-for-both-4g-and-5g>