Relevant sites:

• The International Organisation for Standardisation (ISO), TC 37/SC 4/WG 2 (Technical Committee 37, Subcommittee 4, Working Group 2): Semantic annotation
• The ISO 24617-2:2012 standard document
• Semantic annotation
• DIT++, the dialogue act taxonomy on which the ISO 24617-2 standard is based
• The series of Joint ACL-ISO workshops on Interoperable Semantic Annotation (ISA)
• ISA-18, the 18th Joint ACL-ISO Workshop on Interoperable Semantic Annotation, Marseille, France, June 20, 2022, at the LREC 2022 conference
• ISA-17, the 17th Joint ACL-ISO Workshop on Interoperable Semantic Annotation, at IWCS 2021, the 14th International Conference on Computational Semantics (Groningen/online).