Blog Entries

The Metadata domain challenge requests the application of existing voluntary consensus standards for metadata common to all open government data, and invites new designs for health domain specific metadata to classify datasets in our growing catalog, creating entities, attributes and relations that form the foundations for better discovery, integration and liquidity. This $35K round one HDP domain challenge runs for four months and is open to submitters from June 5 through October 2 2012 on challenge.gov. First place wins $20K, second $10K and third $5K. Metadata tags that have HTTP URI's are globally unique on the world-wide network of computers. Since their specifications are RESTfully dereferenceable, you can link to them. Strong identity, ease of resolution, and linkability that we get from HTTP URI's provides a powerful mechanism to disambiguate and integrate decentralized data from disparate publishers. Help us realize the Web of Health Data!
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The Simplified Sign-On platform challenge will improve community engagement and make it easier for collaborators to contribute by providing service requestors seamless access to multiple HDP technology components, leveraging new approaches to decentralized authentication. This $35K round one HDP platform challenge runs for four months and is open to submitters from June 5 through October 2 2012 on challenge.gov. First place wins $20K, second $10K and third $5K. Another upcoming challenge that focuses on 'securing the data (not just the device)' will leverage these authentication capabilities, adding role and attribute based authorization features, realizing one solution for data element access services, as described in the PCAST Health IT Report. 
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