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Home > Text Encoding Initiative


The Text Encoding Initiative (TEI) is a consortium sponsored by three scholarly societies and hosted by groups at four universities. It has published a sequence of guidelines specifying encoding methods for machine-readable texts, chiefly in the humanities, social sciences and linguistics. Since 1994, these guidelines have been a widely-used standard for text materials for performing online research and teaching.

1 Sponsors and organisation

The scholarly societies sponsoring the TEI are the Association for Computers and the Humanities , the Association for Computational Linguistics, and the Association for Literary and Linguistic Computing . These three groups first organized the TEI in 1987 as a research effort funded exclusively by significant grants from many agencies.

Today, the TEI Consortium is a member-funded non-profit corporation hosted by:

2 The guidelines

The core of the guidelines is a large markup language DTD. It began as a large and configurable SGML tag set, but is now availabe in XMLXML eXtensible Markup Language is a W3C recommendation for creating special-purpose markup languages. It is a simplified subset of SGML, capable of describing many different kinds of data. Its primary purpose is to facilitate the sharing of structured tex. The tags have been stable for over a decade, with TEI P3 (public release version 3) published in 1994, and updated in 1999For the album by Prince, see 1999 (album 1999 is a common year starting on Friday (see link for calendar), and was designated the International Year of Older Persons by the UN. Events Kosovo War Former child star Gary Coleman files for bankruptcy Y2K prep. P4 ( 20022002 is a common year starting on Tuesday (see link for calendar). 2002 was the first palindromic year since 1991 and the last until 2112. 2002 was also designated: International Year of Ecotourism and Mountains National Science Year in the United Kingdom) is a slight update to accommodate XML; there is also a popular subset of the rather large DTD, called TEI Lite.

There is ongoing work on P5 which is expected to break backward compatibilityIn technology (especially computing), backward compatibility has several related but differing meanings: A system is backward compatible if it is compatible with earlier versions of itself, or sometimes other earlier systems, particularly systems it inten. Maintenance and development continues under the sponsorship of the TEI Consortium. The TEI component for marking up feature structureIn Phrase structure grammars, such as Generalised Phrase Structure Grammar, Head-Driven Phrase Structure Grammar and Lexical Functional Grammar, a feature structure is essentially a list of variable assignments. As is usual, the variables have names and vs (a model of data used in linguistics) is also the basis of the ongoing development of an ISO standard for feature structures.



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