Hi Pablo,

unfortunately that didn't happen, at least until now.

Technically, the system used a relational database to persist SNOMED CT and expression versions over time and an OWL ontology of SNOMED CT and expressions and the two were kept in sync. Expansion was just a query of the the transitive closure table.

/Daniel


On 2016-12-04 01:53, Pablo Pazos wrote:
Hi Daniel,

Did your team publish any articles about the demonstration? I'm interested in the technical aspects of querying expansion of results.

Thanks!

On Fri, Dec 2, 2016 at 10:01 AM, Daniel Karlsson <[email protected] <mailto:[email protected]>> wrote:

    Hi All,

    so I'll start:

    At Linköping University we did a demonstrator in 2012 using a
    homebrew REST interface to an expression repository based on the
    SNOMED CT query language at the time. The demonstrator showed
    querying over EHR content including both AQL and the SNOMED CT
    query language. The terminology server per default did expansion
    of results of the SNOMED CT queries, i.e. it returned a set of
    SCTID:s+expression id:s. The aim of this experiment was to show
    that some very complex quality indicators could be expressed as
    queries on a structured health record.

    /Daniel


    On 2016-12-02 11:33, Grahame Grieve wrote:
    hi Daniel

    I'll listen to this discussion with interest. I expect that the
    answer will be: same functional needs as already covered by FHIR
    terminology services, but there's some additional information
    features that are needed to enable seamless integration.

    Grahame


    On Fri, Dec 2, 2016 at 7:50 PM, Daniel Karlsson
    <[email protected] <mailto:[email protected]>> wrote:

        Dear All,

        while thinking about terminology server requirements for
        openEHR systems
        I would like to ask all openEHR implementers about experiences of
        different solutions. Are there any experiences of using
        openEHR systems
        with e.g. the FHIR terminology services, CTS2, Ocean TQL,
        homebrew, etc?
        What are the use cases when the terminology servers are used
        (e.g.
        design time, data entry, querying, etc.)? What are the
        "terminological
        queries" that are used/needed (e.g. subsumption testing, subset
        membership, subset expansion, etc.)?

        Thanks,
        Daniel

        --

        Daniel Karlsson, PhD, sr lecturer
        Department of Biomedical Engineering/Health informatics
        Linköping university
        SE-58185 Linköping
        Sweden
        Ph. +46 708350109 <tel:%2B46%20708350109>, Skype: imt_danka,
        Hangout: [email protected]
        <mailto:[email protected]>


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    <http://www.healthintersections.com.au> /
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-- Daniel Karlsson, PhD, sr lecturer
    Department of Biomedical Engineering/Health informatics
    Linköping university
    SE-58185 Linköping
    Sweden
    Ph.+46 708350109 <tel:+46%2070%20835%2001%2009>, Skype: imt_danka, 
Hangout:[email protected] <mailto:[email protected]>


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--
Ing. Pablo Pazos Gutiérrez
Cel:(00598) 99 043 145
Skype: cabolabs
        <http://cabolabs.com/>
http://www.cabolabs.com <http://www.cabolabs.com/>
[email protected] <mailto:[email protected]>



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--
Daniel Karlsson, PhD, sr lecturer
Department of Biomedical Engineering/Health informatics
Linköping university
SE-58185 Linköping
Sweden
Ph. +46 708350109, Skype: imt_danka, Hangout: [email protected]

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