Metadata

Data describing a resource (the resource may be, for example, other data). Metadata * provide information * on the nature of data. Metadata * that can be associated with a document are: its title, author, date of creation, etc. The National Service for Water Data and Reference-dataset Management (Sandre) produces metadata associated with reference datasets * and specification documents. For example, the geographic metadata disseminated by Sandre are based on ISO standard 19115, and document metadata use the Dublin Core.