WHAT IS METADATA?

This chapter introduces the concept of metadata and describes its role in data management and elsewhere.

Put very simply, metadata is ‘data about data’ or ‘data that describes other data’. This is a very broad definition of metadata and, in consequence, the term‘metadata’ is used in a number of different contexts, principally as:

  • metadata for data management;

  • metadata for content management;

  • metadata for describing data values.

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