scope:

Effective creation, coding, processing and management of language resources is facilitated by a single high-level data model that supports analysis and design of both databases and intermediate formats. This International Standard specifies a model that has been designed for the purpose of providing guidance on the basic principles for representing linguistic resource annotation schemes. This International Standard is designed to support the development and use of computer applications for linguistic annotations and representations and the exchange of such data between different applications. Standardization of data categories and methods for the specification of data structures are given in ISO 12620 and other related International Standards. This International Standard specifies a framework designed to provide guidance on the basic principles for representing linguistic annotation schemes. This framework includes a metamodel and methods for describing specific annotation schemes expressed in XML. The mechanisms for implementing constraints in an annotation scheme are defined in this International Standard, but not the specific constraints for individual annotation schemes (which will be the subject of further parts of this standard). This International Standard also defines the conditions that allow the data expressed in one annotation scheme to be mapped onto another annotation scheme and specifies a generic mapping tool (GMT), for this purpose.