Sam Heard wrote:
>Dear All > >There has been an intense discussion - mainly Tom Beale and Matthew Darlison >going on off line. I want to share some of my views with others on the >approach to terminologies. I will deal with them one at a time. > >1. Language and terminologies. > >It is clear that we need to know what language we are working in to ensure >that the rubric or phrase returned by the terminology service is >appropriate. I have proposed in our GEHR work that this is kept at the level >of a transaction (a transaction can only be in one language). The issue is >that some words in different languages are lexically identical but their >meaning is different. SO - if we allow different language rubrics in the >same transaction - we will get an error one day as someone will read >something erroneous. > I don't think we can do this - 1 Tx should = 1 language. > For this reason - safety - I propose that transactions >are consistent in language. I am sure that it has huge pragmatic advantages >as well. A transaction in a language different from that of the workspace >can be displayed in a different format and possibly be translated (as >required). > >If people accept this - and I will need a lot of persuading that it is not a >sensible restriction - it follows that terminology references - called >coordinated terms in the present model though I do not believe they have a >rubric so it may not be the best name - do not need a language associated >with them. This can be drawn from the present transaction, workspace or >whatever. > well except that we have designed the data types to be usable in many circumstances - not just in the EHR or in Transactions. The equivalent semantic we could use instead is to allow COORDINATED_TERM to have a language, and to force all coordinated terms in a TRANSACTION to have the same language. >2. Terminology ID and versions > >When sharing the EHR we will need to keep tight control over the expression >of the terminology in use. For this reason I would favour that we work with >HL7 & CEN to have a table of terminologies used in openEHR and that versions >of different terminologies are given different IDs. > agree - thomas beale - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
