#NASA #QUDT (#Quantities #Units #Dimensions and Data #Types) #Handbook and #Ontologies [#semanticweb #rdf #owl #skos]

Submitted by Irene on Fri, 2013/07/12 - 12:59

http://www.scribd.com/doc/144117099/The-NASA-QUDT-Quantities-Units-Dimen...
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Since 2009, NASA has been developing a machine-processable representation of Quantities, Units of Measure and Data Types (QUDT). Standardization of quantities, units, dimensions and data types is a foundational part of the vision of the NASA Information Architecture, for a NASA wide and life cycle-aware infrastructure to provide flexible and automated mediation of information flowing through enterprise systems. For interoperability across the enterprise to occur without the need for numerous translations, mappings, and other conversions, data types and their units should be common for all NASA Systems. QUDT ontologies provide a unified model of, measurable quantities, units for measuring different kinds of quantities, the numerical values of quantities in different units of measure and the data structures and data types used to store and manipulate these objects in software. This talk will provide an update on the current state of the work and an overview of the NASA QUDT Handbook (HDBK-1003R) which, now over 3,500 pages, is generated from the QUDT models.
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