_:na547f9a8e52b4229afc39160741a6b0fxb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cloud-dot-devsite-v2-prod.appspot.com/python/docs/reference/bigframes/1.4.0/bigframes.operations.strings.StringMethods>