Introduction The term metadata is frequently used in many different sciences. In the case of Statistics, this term denotes every information concerning the actual statistical data. Metadata have been an active area of research for the last years (Grossmann 1997). National Statistical Offices (NSOs) and Eurostat have allocated a significant amount of resources, targeting the design and
... [Show full abstract] implementation of a new generation of statistical software (Eurostat 1997). Their objective is to integrate the current state of the art in active metadata, metadata guided statistical processing, visualisation of metadata and other related technologies. metadata. Topics that are covered include the modelling of metainformation, the integration of metadata in statistical information systems as well as metadata databases. In addition, we examine the latest advances in visualisation of metadata, metadata guided statistical processing and the quality of metadata. 2 Metadata models Until recently, metain