UMA Trust Model
The UMA trust model work has undergone a lot of refinement. The document that previously lived on this page has been retired, and has been replaced by a new specification, Binding Obligations on User-Managed Access (UMA) Participants. Several documents produced by the UMA Work Group related to trust.
http://docs.kantarainitiative.org/uma/draft-uma-trust.html
Specification documenting the binding obligations on UMA participants. (You can see the old document that used to live on this page by visiting old revisions of this page.)
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Measuring Elements of Trust
Domenico Catalano's work on analyzing the UMA trust proposition.
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More trust-related documents to come!
NOTE: The short link http://tinyurl.com/umatrust takes you to this page.