Author Archives: wolandscat

About wolandscat

I work on semantic architectures for interoperability of information systems. Much of my time is spent studying data, ideas, and knowledge, and using methods from philosophy, particularly ontology and epistemology.

A FHIR experience: consistently inconsistent

In recent work I am involved in, the HL7 FHIR DSTU4 resources were converted to the openEHR formalism known as Basic Meta-Model (BMM), which is published as an open specification. BMM is an object-oriented formalism, conceptually similar to UML (minus … Continue reading

Posted in FHIR, Health Informatics, standards | Tagged , , | 4 Comments

openEHR Task Planning – a visual model of clinical workflow

We have been making steady progress on the openEHR Task Planning specification and visual modelling language (TP-VML) for clinical workflow. One of the differentiators of Task Planning, is that, like YAWL, it is designed as a formalism for developing fully … Continue reading

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Why the NHS needs its own health-tech university

The NHS has around one million employees and serves most people in England and Wales. We could easily imagine a slightly larger organisation serving the whole UK, although for historical reasons Scotland and Northern Ireland are separate. Another large public … Continue reading

Posted in Health Informatics, openehr, standards | Tagged , , , | 4 Comments

The long slow death of UML

The Unified Modelling Language aka UML has been around for 22 years, as you can see from the OMG UML page. We use it extensively to publish the openEHR specifications, in a similar way to many other organisations. Developers often … Continue reading

Posted in Computing, Health Informatics, openehr, standards | Tagged , , | 1 Comment

Why NPfIT failed

Below is my list of reasons why I think NPfIT failed. NPfIT was the NHS National Programme for IT in health, starting in 2002, with Richard Grainger appointed as NHS IT director. A timeline is published here. NPfIT is generally … Continue reading

Posted in Health Informatics, openehr, Politics, standards | 8 Comments

Services Landscape for e-Health

Every so often I get bored of what I am doing and start trying to draw one of those ‘services roadmap’ kind of diagrams for e-Health. These pretty pictures appear in slide presentations, standards, whitepapers etc, but are not often … Continue reading

Posted in Computing, Health Informatics, openehr, standards | Tagged , | 2 Comments

FHIR v openEHR – concreta

Some readers may have read my previous post FHIR compared to openEHR. If not, I recommend you do, it is available in Spanish, Japanese and Chinese as well as English. Here I aim to clarify some of the concrete differences … Continue reading

Posted in FHIR, Health Informatics, openehr | Tagged , , , , | 2 Comments