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Showing posts from July, 2018

Privacy and Security Considerations for the use of Open APIs for Patient Directed Exchange.

I have the great honor to be hosting a panel discussion in Washington DC as part of the Office of the National Coordinator's 2nd Interoperability Forum . This event is, next week, August 6-8. My panel is scheduled for the afternoon of August 7th, from 1:30 to 3:00 pm. My panel title is "Privacy and Security Considerations for the use of Open APIs for Patient Directed Exchange." Here is the main vision for this panel: Assuming that we agree that patient advocates’ and privacy advocates’ vision is our goal; what lack of standards is getting in the way.  This is not a discussion about what the goal is, but rather it is meant to focus on what is still preventing the big stakeholders from embracing this vision. General flow Before my panel is a "Blockchain" topic and "Identity and Trust"; after my panel is a Lighting round where some new tech will be showcased. Where Blockchain and the Lighting round will be clearly looking to new and shiny tech; I am hopef...

Timebound XDS queries done right

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As the author of the soon to be published IHE "Document Sharing Metadata Handbook", I have been involved in some very deep and disturbing discussions on how to do timebound queries in XDS/XCA. I say very deep because this discussion included almost a dozen of the best minds on the XDS Metadata and Query models. Disturbing because the discussion showed that the simple concept of timebound queries in XDS/XCA is not understood well. Perplexing because we have figured this out many times. If it takes us this long to re-invent this understand, then it must be much harder for others. Mistakes have been made I wrote an article on our first attempt. I thought it was good. It was not wrong. But it would have resulted in false-positives, and false-negatives that can be avoided. See Basics of doing Document Sharing Query right .  For the version of the Metadata Handbook that we sent to public comment, we flipped the logic, thus making a very bad mistake. Back to the mostly right logic I...