Hi Thomas, This is an excellent description and is inline with our implementation.
Regards Heath ________________________________ From: 30032744440n behalf of Sent: Monday, November 26, 2018 11:43 pm To: Openehr-Technical Subject: Better definition of 'system_id' attribute in openEHR sytems Following SPECPR-99<https://openehr.atlassian.net/browse/SPECPR-99> andthis email string<http://lists.openehr.org/pipermail/openehr-technical_lists.openehr.org/2014-August/008468.html> from 2014, the imminent RM 1.0.4 release will include SPECRM-80<https://openehr.atlassian.net/browse/SPECRM-80>, which improves the documentation about system_id, which is recorded in the EHR and also in AUDIT_DETAILS, i.e. on each committed version. In response to this, I have added the following documentation to the Architecture Overview, and will also add further text and hot links to the specific locations in the EHR and Common parts of the RM. It would be useful to know if this agrees with the understanding of openEHR system implementers and users. ~~~~~~~~~~~~ 6.1. The EHR System The notion of a logical EHR system is central to the openEHR architecture. In openEHR, a system is understood as a distinct logical repository corresponding to an organisational entity that islegally responsible for the management and governance of the healthcare data contained within. This may be a regional health service that serves multiple provider enterprises or a single provider enterprise such as a larger hospital. The 'system' is therefore in general distinct from specific applications and also from provider organisations, even if in some cases it happens to be owned by a single provider. It is also distinct from any underlying virtualisation infrastructure or cloud computing facility, which may house multiple logical EHR systems in a multi-tenant fashion. This is clear by comparing the legal responsibilities of the infrastructure provider, which are forgeneric IT service management to a procurer, which may be a healthcare data management entity. It is the latter that undertakes legal responsibility for the content, on behalf of one or more healthcare provider organisations. The technical criterion for identifying an EHR system is that it is the entity that assigns version identifiers within a repository. 6.1.1. System Identity Within the openEHR architecture, a system_id attribute is recorded both within each patient EHR (EHR class), and also within the audit created with each commit of data to an EHR (AUDIT_DETAILS class). This identifier identifies the logical EHR system as described above, and may be of any form. Common forms include the reverse domain name and plain and structured string identifiers. The system identifier isnot assumed to be directly processable, but may instead be used as a key, for example in a service maintaining location information.
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