The Problem with the Data-Information-Knowledge-Wisdom Hierarchy - David Weinberger by David Weinberger | 9:00 AM February 2, 2010 The data-information-knowledge-wisdom hierarchy seemed like a really great idea when it was first proposed. But its rapid acceptance was in fact a sign of how worried we were about the real value of the information systems we had built at such great expense. What looks like a logical progression is actually a desperate cry for help. The DIKW hierarchy (as it came to be known) was brought to prominence by Russell Ackoff in his address accepting the presidency of the International Society for General Systems Research in 1989. Where is the Life we have lost in living? Those lines come from the poem “The Rock” by T.S. The DIKW sequence made immediate sense because it extends what every Computer Science 101 class learns: information is a refinement of mere data. But, the info-to-knowledge move is far more problematic than the data-to-info one. So, what is “knowledge” in the DIKW pyramid? And humbug.
Abbreviations and acronyms dictionary: Find definitions for over 4,219,000 abbreviations, acronyms, and initialisms Demographic and Social Statistics Social indicators covering a wide range of subject-matter fields are compiled by the Statistics Division, Department of Economic and Social Affairs of the United Nations Secretariat, from many national and international sources. The indicators presented here consist mainly of the minimum list which has been proposed for follow-up and monitoring implementation of major United Nations conferences on children, population and development, social development and women. This minimum list is contained in the Report of the Expert Group on the Statistical Implications of Recent Major United Nations Conferences (E/CN.3/AC.1/1996/R.4). Technical background on the development of social indicators is contained in two United Nations publications, Handbook on Social Indicators (United Nations publication, Series F, No. 49, 1989) and Towards a System of Social and Demographic Statistics (United Nations publication, Series F, No. 18, 1975) Indicators are provided on the following areas:
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La population mondiale devrait dépasser les 9 milliards de personnes en 2050 11 mars 2009 – La population mondiale devrait dépasser les 9 milliards d'individus en 2050, contre 6,8 milliards cette année et 7 milliards début 2012, selon des calculs de l'ONU publiées mercredi dans les Révisions 2008. Une forte majorité des nouveaux habitants de la planète, environ 2,3 milliards de personnes, vivront dans les pays en développement, dont la population passera de 5,6 milliards d'individus en 2009 à 7,9 milliards en 2050 et sera répartie entre les groupes d'âges de 15 à 59 ans (1,2 milliard supplémentaire) et les 60 ans et plus (1,1 milliard). Les pays les plus développés ne devraient voir leur population augmenter que faiblement, passant de 1,23 à 1,28 milliard pendant cette même période. La population des pays développés aurait même tendance à réduire, passant à 1,15 milliard d'individus, sans le solde migratoire positif provenant des pays en développement, qui devrait s'établir aux alentours de 2,4 millions de personnes chaque année entre 2009 et 2050.
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