# ISO/IEC 13250:2003 — Withdrawn and superseded ISO standards For ISO/IEC 13250:2003, item title is Information technology — SGML applications — Topic maps; status code is 9599; successor is ISO/IEC 13250-3:2007 | ISO/IEC NP 13250 | ISO/IEC FCD 13250-4 | ISO/IEC 13250-4:2009 | ISO/IEC 13250-5:2015 | ISO/IEC PDTR 13250-1 | ISO/IEC 13250-6:2010 | ISO/IEC 13250-2:2006; withdrawn / published date is 2003-05-13, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 13250:2003 _(verified: appears in the quote below)_ - **Item title:** Information technology — SGML applications — Topic maps _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 13250-3:2007 | ISO/IEC NP 13250 | ISO/IEC FCD 13250-4 | ISO/IEC 13250-4:2009 | ISO/IEC 13250-5:2015 | ISO/IEC PDTR 13250-1 | ISO/IEC 13250-6:2010 | ISO/IEC 13250-2:2006 - **Withdrawn / published date:** 2003-05-13 _(verified: appears in the quote below)_ ## What the source says > 38068,IS,,ISO/IEC 13250:2003,Information technology — SGML applications — Topic maps,Technologies de l'information — Applications SGML — Plans relatifs à des sujets,2003-05-13,2,['35.240.30'],ISO/IEC JTC 1/SC 34,9599,[21485],"[40018,40015,40019,52120,40757,40016,43940,40017]",['en'],41,"
ISO/IEC 13250:2003 (2nd edition) specifies two syntaxes for the interchange of Topic Maps. One of these syntaxes is based on the ISO/IEC 10744:1997 (HyTime) meta-DTD (meta Document Type Definition), and it is itself specified as a meta-DTD. The other, called XTM (XML Topic Maps), is specified as an eXtensible Markup Language (XML) DTD.
Both syntaxes allow the expression of: