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Statistical Integration Through Metadata Management

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  • Michael J. Colledge

Abstract

Faster and more versatile technology is fuelling user demand for statistical agencies to produce an ever wider range of outputs, and to ensure those outputs are consistent and mutually related to the greatest extent possible. Statistical integration is an approach for enhancing the information content of separate statistical collections conducted by an agency, and is necessary for consistency. It has two aspects‐conceptual and physical‐the former being a prerequisite for the latter. This paper focuses on methods for achieving statistical integration through better management of metadata. It draws on experiences at the Australian Bureau of Statistics in the development and use of a central repository (the “Information Warehouse”) to manage data and metadata. It also makes reference to comparable initiatives at other national statistical agencies. The main conclusions are as follows. First, a prototyping approach is required in developing new functionality to support statistical integration as it is not clear in advance what tools are needed. Second, metadata from separate collections cannot easily be rationalised until they have been loaded to a central repository and are visible alongside one another so their inconsistencies are evident. Third, to be effective, conceptual integration must be accompanied by physical integration. Fourth, there is great scope for partnerships and exchange of ideas between agencies. Finally, statistical integration must be built into the ongoing collection processes and viewed as a way of life. La vitesse et la versatilité de la nouvelle technologie génèrent une demande des utilisateurs pour avoir une plus vaste gamme de produits des agences statistiques qui doivent s'assurer que ces produits sont plus cohérents et reliés entre eux Iorsque possible. l'intégration statistique est un facon d'améliorer le contenu des enquetes indépendantes menées par un bureau de statistiques. Elle est nécessaire pour assuer la cohérence des données. Elle a deux aspects‐conceptuel et physique‐le premier aspect étant une condition pour le deuxième. Cet article s'inté aux méthodes permettant d'asurer l' intégration statistique par une meilleure gestion des donneées. l'article inclue des expériences du Bureau ausralien de statistiques au suject du développement et de l'usage d'un répertoire central (le “information Warehouse”) pour les données et les métadonnées. II fait aussi référence aux activités similaires chez quelques autres bureaux nationaux de statistiques. Les conclusions principales sont les suivantes. Premièrement, quand on développe des fonctions nouvelles pour appuyer l'intégration statistique, il faut utiliser une approche prototype parce que on ne connait pas à l'avance les outils nécessaires. deuxiémement, on ne peut pas rationaliser facilement les métadonnées des enquetes indépendantes tant quelles ne sont pas dans le répetoire et visibles les unes à coté des aures pour que leurs incohérences soient manifestes. Troisiémement, il faut appuyer l'intégration conceptuelle avec l'intégration physique. Quatièmement, il y a plusieurs possibilités pour des asociations et des échanges d'idées entre les bureux nationaux de statistiques. finalement, on doit inclure l'intégration statistique à l'intérieur des enquetes et la considérer comme un mode de vie.

Suggested Citation

  • Michael J. Colledge, 1999. "Statistical Integration Through Metadata Management," International Statistical Review, International Statistical Institute, vol. 67(1), pages 79-98, April.
  • Handle: RePEc:bla:istatr:v:67:y:1999:i:1:p:79-98
    DOI: 10.1111/j.1751-5823.1999.tb00382.x
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