This standard BS ISO/IEC 13250-6:2010 Information technology. Topic Maps is classified in these ICS categories:
35.240.30 IT applications in information, documentation and publishing
This part of ISO/IEC 13250 defines a text-based notation for representing instances of the data model defined in ISO/IEC 13250-2. It also defines a mapping from this notation to the data model. The syntax is defined through an Extended Backus-Naur Form (EBNF) grammar.