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NASA's

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titleWhat is the Common Metadata Repository (CMR)?
The

Common Metadata Repository (CMR) is a high-performance, high-quality, continuously evolving metadata system that catalogs all data and service metadata records for

the EOSDIS system

NASA's Earth Science Data and Information System (ESDIS) and will be the authoritative management system for all EOSDIS metadata.

 These

These metadata records are registered, modified, discovered, and accessed through programmatic interfaces leveraging standard protocols and APIs.

For more information on the CMR, please see the CMR Earthdata Homepage.



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What are the objectives of CMR?

CMR is designed:

  • to serve as a middleware replacement for the ECHO and GCMD’s backend. Note: Users of GCMD should see no impact - as the GCMD frontend will remain as is.
  • to handle metadata at the Concept level; including Collections, Granules, Visualizations, Parameters, Documentation, Services, and more.
  • to manage hundreds of millions of metadata records; making them available through high performance, standards compliant, temporal, spatial, and faceted search.
  • to incorporate both human and machine metadata assessment features that work to ensure the highest quality metadata possible
  • around an evolvable Unified Metadata Model (UMM).


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                 CMR Links                                                                        UMM Links

    Unified Metadata Models (UMM)

    UMM - Collections (UMM-C)

    UMM - Granules (UMM-G)

    UMM - Services (UMM-S)

    UMM - Variables (UMM-Var)

    UMM - Tools (UMM-T)

    For more information, see UMM Documents


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    titleCMR Support

    Questions, comments, technical issues, and change requests should be sent to: support@earthdata.nasa.gov




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    titleCMR
    Service Desk

     

     

     

     

     

     

     

     

     


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    Related Links

    CMR Overview

    CMR Systems Engineering Home  

     

    Earthdata Search Client

    GCMD Keyword Landing Page


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    titleInformation About Working With This Wiki


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    PeriwinkletitleRelated Work

    NASA ISO for EOSDIS

    ECHO Home

    Global Imagery Browse Services - GIBS

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    titleRestricted Access

    Internal Team Documents

     

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    titleInformation about working with this wiki:


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    Purpose of the Wiki

    This wiki is intended strictly for the use of sharing information about NASA Earth Science Data and Information System (ESDIS) topics. For more information please click here .

    We welcome your participation and comments within Earthdata Wiki.

    Rules of Conduct

    Earthdata Wiki is governed by the general rules of respectful civil discussion. ESDIS may monitor any user-generated content as it chooses and reserves the right to remove content for any reason whatsoever, without consent. The following rules of conduct are to be followed when using the Earthdata Wiki. Breach of these rules will result in users loses privileges or being banned permanently.

    Participation requires a valid Earthdata Login. Only approved NASA users and affiliates will be allowed to upload data. If a wiki space becomes dormant for a period of more than 2 years, ESDIS reserves the right to delete/remove it.

    In order to maintain an environment where everyone is welcome and discussion flows freely, certain types of conduct are prohibited on Earthdata Wiki. Specifically restricted conduct includes trolling, flaming, ranting, personal attacks, harassment, threats, doxing, racism, discrimination, hate speech, sexism, spamming, off-topic posting, pyramid quoting, rumor mongering, impersonation, advertising (including HTML links and pictures), and linking to applications or utilities of uncertain intent.

    In addition, the Earthdata Wiki is not for discussion of real-life current affairs, news, politics, or religion. Discussion should revolve around ESDIS topics. Specific content prohibited on Earthdata Wiki includes pornography, profanity, and real money trading (RMT).


    NASA makes no representations or warranties regarding the information posted.





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    CMR Operations

    CMR JIRA Project

    Jama

    Metrics

    Internal Team Documents

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