Le 15/03/2018 à 00:34, Mikael Nyström a écrit : > Hi Philippe > > It seems like you are making a big deal of that SNOMED CT is an ancient > product, but I would like to see your explicit arguments about that instead > of only negative generalizations. From my point of view it is quite modern > with an OWL based ontology with additional features for terminology and > versioning, which basically is what SNOMED CT are. > > Regards > Mikael
Hi Mikael, The question will always remain "what component do you need at a given technological moment?" If what you want to do is what has been done since 1980, that's to say fill forms inside a care place and exchange it with other care places, I guess that Snomed CT is the proper component. Since it was born a coding system, you can create complicated meta-concepts in a single code (of course, it means you will have to find your own subset inside an always expanding universe, but ease comes with a price) and it is very convenient to fill the good old set of attribute–value pairs. On the contrary, if you estimate that a modern approach would be to tell and organize a patient's journey, you have to exhibit more modern structures because in order to "tell something", you need not only a terminology (say a vocabulary) but also a grammar. A proper grammar (at least the one I use) can be a "dependency grammar" in the form of a graph or trees. Now that you can tell elaborated things using a vocabulary (the ontology) and a grammar (the graph of trees), the "agglutinating" structure of Snomed rapidly sucks. Because now that "fracture of the left ankle" can be expressed as the branch "fracture" "located at" "left ankle", there is no longer a need for the hundred of thousand (and counting) "codes" that where convenient for ancient systems but are now a genuine problem. Do you imagine a natural language that would be so massively agglutinating that it would contain words like "FractureOfTheLeftAnkleThatWasTreatedButStillHurts"? I guess that, due to a terrible learning curve, the children would speak at six ;-) To sum it up, Snomed is probably convenient for application with a structure schema that can only handle a coding system (hey, it also comes with a semantic network) but is not fit as a formal language vocabulary. Best, Philippe _______________________________________________ openEHR-technical mailing list [email protected] http://lists.openehr.org/mailman/listinfo/openehr-technical_lists.openehr.org
