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With the phasing out of the caBIG program, the name of the caDSR “caBIG” Context is being changed to “NCIP” (National Cancer Informatics Program). This is a NAME change only; all existing content associated with “caBIG” will show “NCIP” as the context name instead. The release of Form Builder 4.1 will mark the date that this change is visible in the caDSR Tools. Refer to the caDSR Contexts FAQs for information about the impact of this change. Contact Denise Warzel with any issues not noted here and concerning any issue that will have a negative impact on your organization or use of caDSR. |
Metadata Needs and Support
The caDSR (Cancer Data Standards Registry and Repository) is a metadata repository based on the ISO/IEC 11179 Metadata Registry standard. It supports a broad community of users both inside and outside of NCI that have requirements to ensure the longevity and consistency of biomedical research data by registering metadata standards in caDSR.
What is a metadata standard? A metadata standard is a high level document which establishes a common way of structuring and understanding data, and includes principles and implementation issues for utilizing the standard. There are many metadata standards purposed for specific disciplines.
. Content owners and end users have included include NCI and its partners in clinical trials, academic institutions (including NCI Designated Cancer Centers, SPOREs and NCTN/ETCTN), other NIH institutes (including NICHD, NHLBI, NCATS and NIDCR), other federal agencies (in particular the FDA), pharmaceutical companies, standards development organizations (e.g. CDISC) and a range of international biomedical organizations. For more information see the caDSR Collaborations and Use.
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The word cloud that follows illustrates the broad variety of collections of data elements that are reposited in the caDSR for various communities and types of studies.
About caDSR
CBIIT’s management of metadata began as part of an effort to support CTEP’s reporting for breast cancer trials, and from a need to develop and disseminate standards that would ensure consistency and accuracy in reporting across the NCI Clinical Trial Network (NCTN/ETCTN) and Lead Protocol Organizations (LPOs). This led to the establishment of a centralized resource and associated web-based tools for creating, clearly documenting, and sharing human- and machine-readable data descriptions. The need to maintain and share data about data, or metadata, became the basis for the NCI’s repository of CDEs, metadata, and data standards, what is now known as the caDSR. A CDE Steering Committee was formed to define what kind of metadata was needed for the repository. Driven by the needs from community to create, share, and manage CDEs over time, a set of metadata attributes was established, which included attributes such as human friendly name(s), text definition(s), valid values, unique identifiers, and workflow status. Consultation with appropriate experts identified ISO 11179, an international standard for metadata registries, as meeting the needs identified by the CDE Steering committee. As time went on, more groups wanted to record their data elements and share them via the caDSR, so additional features were added, including extensions of ISO 11179 to enable storage of metadata describing Case Report Forms (CRFs) that use CDE metadata as the basis for questions on the CRFs.
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- caDSR Database and Tools
Provides access to caDSR tools and links to the tool summary page for current user documentation and technical information like release notes.caDSR Projects
Focuses on specific projects. The pages include projects spanning across tools and products and projects involving inter-metadata registry sharing. For projects related to one specific tool, refer to the caDSR Database and Tools section.
- caDSR for Application Developers
Focuses on the software interfaces to the caDSR available to programmers and software developers. The pages include details on the caDSR API, XML messages produced and consumed by the caDSR products and the caDSR UML Model. - caDSR Installation and Implementation
Focuses on Open Source adoption of the caDSR Database and Tools. The pages include ISO 11179 implementation extensions, software implementation architectures and Downloads. caDSR Future Requirements
We continually look at new requirements and have an initiative begun in 2014 to replace the aging software and infrastructure currently supporting caDSR end users. This is an opportunity to link our efforts more broadly with NIH wide CDE and metadata initiatives. Please see the caDSR Requirements pages for more information.
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List/Forum | Email address or URL | Description |
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For end user issues regarding the caDSR tools and content | ||
For developer issues regarding the caDSR APIs and use of caDSR Metadata | ||
Archive for content users such as Curators | ||
Archive for developers using caDSR Metadata, such as UML Model owners (subscription required) | ||
For adopters | ||
---None | Index of all NIH mail lists | |
ncicbiit@mailNCIAppSupport@mail.nih.gov | NCICB Application Support |
How to Cite caDSR
To cite the NCI Semantic Infrastructure, use the following reference.
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Example: "NAACCR 11.1." PS & CC (NCI Population Sciences & Cancer Control), Classifications, Division of Population Cancer Control and Population Sciences, NCI caDSR CDE Browser. <https://cdebrowser.nci.nih.gov> National Cancer Institute, Center for Biomedical Informatics and Information Technology, 01 Oct. 2010. Web. 17 Jan. 2013