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Contents of this Page
Tools for caDSR Metadata Development

The Curation Tool, CDE Browser and Administration Tool have online help to guide you. All the caDSR tools are explained on caDSR Database and Tools.

Data Standards

Metadata Development Training

Best practices training for caDSR metadata creation is available. The NCI Training Wiki identifies the course offerings and provides links for more information and to enroll.

caDSR Context Administrators Biweekly Meeting

The Context Administrators meet every two weeks to discuss topics related to caDSR Content, including documentation of business rules and best practices for development and recording of metadata, harmonization of caDSR content, and adoption of data standards. The minutes of these meeting are posted on GForge

Provide feedback

Feedback about caDSR content is welcome on the caDSR Users List.

caDSR Content

A goal of the Cancer Data Standards Registry and Repository (caDSR) program is to define a comprehensive set of standardized metadata descriptors for cancer research data for use in information collection and analysis.

Various NCI offices and partner organizations have developed the content of the caDSR by registration of data elements based on data standards, data collection forms, databases, clinical applications, data exchange formats, UML models, and vocabularies.

Based on the ISO/IEC 11179 model for metadata registration, information about names, definitions, permissible values, and semantic concepts for common data elements (CDEs) have been recorded. caDSR tools are available to create, locate, and use the metadata to support finding and understanding research data.

Contexts-Contact Information

The metadata information in the caDSR is developed by groups or organizations divided into domain-specific work areas called Contexts. A Context Curator for each group provides oversight for creation, maintenance, and designation of CDEs within the Context. A list of contact information for Context Administrators and CuratorscaDSR Context Administrators and Curators 3272013.pdfcaDSR Context Administrators and Curators 3272013.pdfcaDSR Context Administratosr and Curators 3272013.doc is available.

The current Contexts (updated 03/27/2013)  in the caDSR are listed below with the Context Administrator for each.




Amercian College of Radiology Research NetworkACRIN Tina Taylor
Yeshiva University Albert Einstein Cancer CenterAECCGwen Deen (interim)

NCI Cancer Biomedical Informatics Grid


Tommie Curtis

NCI Core Infrastructure


Denise Warzel

NCI Center for Cancer Research


Dianne Reeves

Centers for Disease Control and Prevention/Public Health Information NetworkCDC/PHINDenise Warzel

Clincal Data Interchange Standards Consortium


Rhonda Facile

NCI Cancer Imaging Program


John Freymann

Children's Oncology GroupCOGSteven Jong

NCI Clinical Trial Evaluation Program


Andrea Denicoff

NCI Division of Cancer Prevention


Brenda Maeske

NCI Early Detection Research Network


Greg Warnick

Georgetown University Lombardi Cancer Center


Gwen Deen (interim)

National Heart, Lung, and Blood Institute


Robinette Renner

National Institute of Child Health and Human DevelopmentNICHDSteven Hirschfeld
National Institute on Drug AbuseNIDABrian Campbell

National Institute of Dental and Craniofacial Research


Brian Campbell

National Institute of Neurological Disorders and StrokeNINDSJoanne Odenkirchen

NCI Population Science and Cancer Control


Mary Cooper
The data elements in this context are a collaboration between the NCI Division of Cancer Control and Population Science (DCCPS) and NCI Division of Cancer Epidemiology and Genetics (DCEG)

NCI Specialized Programs of Research Excellence


Dianne Reeves

University of Southern California Norris Comprehensive Cancer CenterUSC/NorrisGwen Deen (interim)

Business Rules and Best Practices

The Context Administrators have agreed to business rules for development of caDSR content. The rules outline best practices for creation, assignment of metadata statuses, and maintenance of the various metadata components.

Harmonization of caDSR Content

The Context Administrators work together to coordinate and harmonize metadata development efforts so common building blocks for data capture and reporting can be created. The goal is to ensure that shareable CDEs are not redundant across contexts and are based on the consensus of participating Contexts. To help minimize redundancy and duplication of CDEs across Contexts, the Context Administrators encourage reuse, or designation, of existing CDEs by other Contexts. Often an item is a candidate for reuse if minor edits can be made. If changes are needed to caDSR content, please contact the owning Context Curator.

caBIG NCI Data Standards

The NCI, together with its partners in the Cancer Biomedical Informatics Grid (caBIG®) community, is actively developing CDEs and standard vocabularies to be used as metadata descriptors for NCI-sponsored research and for caCORE-caBIG® applications. The Context Administrators, meeting biweekly, identify subject areas for standardization, develop CDEs and supporting documentation, and present proposed data standards to the caBIG® Vocabulary and Common Data Element Workgroup (VCDE) for review. The caBIG® Data Standards Development and Governance Model helps guide data standard development for the caBIG®-NCI community. The data standards that have been adopted and those currently under review may be seen on the caBIG®-NCI Data Standards page.

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