Paper:	Metadata Wrangling in the New PDS4 Standards
Volume:	512, Astronomical Data Analysis Software and Systems XXV
Page:	177
Authors:	Raugh, A. C.; Hughes, J. S.
Abstract:	One of the core problems addressed by the PDS4 data standard redesign was that of metadata: how to accommodate the increasingly sophisticated demands of search interfaces, analytical software, and observational documentation into the PDS product labeling standards without imposing limits and constraints that would impinge on the quality or quantity of metadata that any particular observer or team could supply. The PDS4 solution incorporates open standards, model-driven design, and a hierarchy of namespaces for delegation of authority to provide a system which enforces uniformity of definition and use, while also supporting agile customizability as data product types and their metadata expand.

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