[1] RDF Schema 1.1 ( (2/27/2014, 12:42:23 PM 版)) https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-schema/index.html#h3_ch_type
[2] Web Annotation Vocabulary (2/23/2017, 5:14:26 PM) https://w3c.github.io/web-annotation/vocab/wd/#rdf-type
[3] Table Schema | Frictionless Standards, 9/28/2023, 10:34:45 AM, 11/25/2023, 8:46:06 AM https://specs.frictionlessdata.io/table-schema/#rich-types
rdfType
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