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The Analysis and Review of CMR (ARC) Team is responsible for conducting metadata quality evaluations for NASA's metadata records in the Common Metadata Repository (CMR). This process involves both automated and manual reviews of metadata records. In order to prioritize ARC's findings, each metadata element evaluated during the review process is flagged with a color code (red, yellow, blue, or green) to indicate the urgency of each finding. The ARC Priority Matrix, outlined in more detail in the table below, describes the color code, the priority categorization, the justification and the expected action from the data provider. Specific ARC priority matrix details for each element will be provided on the metadata curation concept wiki pages. ARC's metadata quality evaluations focus specifically on improving data discovery in the Earthdata Search Client. With this goal in mind, the ARC priority matrix primarily focuses on completeness, correctness, accuracy, and accessibility. 

It is the responsibility of the NASA data provider to resolve any issues found during ARC's metadata quality review. The color codes specify the urgency of any issues found and therefore should assist the data provider in formulating a strategic plan to resolve issues. Color codes are also used by ARC to track the resolution of issues and to generate metadata quality metrics. 

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