A Guide to describe Legislation in schema.org - EUR-Lex https://eur-lex.europa.eu/eli-register/legis_schema_org.html SOを用いて法律を記述するにあたっての指針。ELI(European Legislation Identifier)から。cf.10月の投稿 https://lists.w3.org/Archives/Public/public-schemaorg/2021Oct/0000.html