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The SciOps data collection includes over 13,000 metadata records from nearly 2,000 different sources, most outside of NASA. Over 1700 of these sources have less than ten metadata records. Assuming that there is variation in metadata creation techniques for these providers, this is likely not a homogeneous collection. We identified 25 providers that have collections with one hundred or more records and examined those as separate collections.

Table 1 below shows the 18 NASA provider and 25 SciOps Providers considered in this evaluation, as well as the record count for each provider.

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To view just the elements, click here select the Elements or the Attributes filtered view from the toolbar.

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