Ewout Kramer

Versioning and Canonical URLs

Versioning and Canonical URLs

At last week’s FHIR Developer Days in Amsterdam, we had a highly enjoyable break-out session on the use of canonical urls when taking versioning into consideration. The issue had been popping up more often recently, and we, as the core… Continue reading →

Profiles in FHIR

Data formats image

As I said last week, most of my work currently centers around implementing FHIR’s Profile functionality. It’s a very important bit of the FHIR standard, but it is -as yet- invisible and hard to grasp for many. As well, I… Continue reading →

Authoring FHIR Profiles

Authoring FHIR Profiles

(and here’s part 2: ) https://vimeo.com/88235048 Granted, FHIR Profiles are some of the more complex parts of the HL7 FHIR standard, but also one of the most important ones to learn about if you want to adapt FHIR to your needs… Continue reading →

Attributes Versus Elements in FHIR XML

Attributes versus Elements

Some of you have asked me why, since our latest (0.7) Fhir Xml format, we use attributes to contain most of the “primitive” values, instead of the somewhat more common elements. E.g. for birthdate we now use: <birthDate value=”1972-11-30″/> instead… Continue reading →