ISO 25964

ISO 25964 is the international standard for thesauri, published in two parts as follows: ISO 25964 is the international standard for thesauri, published in two parts as follows: It was issued by ISO, the International Organization for Standardization, and its official website is maintained by its secretariat in NISO, the USA National Information Standards Organization. Each part of the standard can be purchased separately from ISO or from any of its national member bodies (such as ANSI, BSI, AFNOR, DIN, etc.). Some parts of it are available free of charge from the official website. The first international standard for thesauri was ISO 2788, Guidelines for the establishment and development of monolingual thesauri, originally published in 1974 and updated in 1986. In 1985 it was joined by the complementary standard ISO 5964, Guidelines for the establishment and development of multilingual thesauri.Over the years ISO 2788 and ISO 5964 were adopted as national standards in several countries, for example Canada, France and UK. In the UK they were given alias numbers BS 5723 and BS 6723 respectively. And it was in the UK around the turn of the century that work began to revise them for the networking needs of the new millennium. This resulted during 2005 - 2008 in publication of the 5-part British Standard BS 8723, as follows: