Metadata for language resources and tools exists in a multitude of formats. Often these descriptions contain specialized information for a specific research community (e.g. TEI headers for text or IMDI for multimedia collections).

To overcome this dispersion CLARIN has initiated the Component MetaData Infrastructure (CMDI). It provides a framework to describe and reuse metadata blueprints. Description building blocks (“components”, which include field definitions) can be grouped into a ready-made description format (a “profile”). Both are stored and shared with other users in the Component Registry to promote reuse.

The CMDI approach combines architectural freedom when modeling the metadata with powerful exploration and search possibilities over a broad range of language resources.

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