Dear all,

We are pleased to announce the immediate availability of the design 
specifications of Guideline Definition Language (GDL) and its reference 
implementation under open source software licenses. GDL is formal language 
designed to express and to share Clinical Decision Support rules across 
language and technical barriers by leveraging openEHR designs. CDS rules in GDL 
format is agnostic to natural languages, reference terminologies and rules 
engine languages.

There are considerable synergies in the development of clinical models and CDS 
rules. Semantically well-defined clinical models can provide reliable means of 
input and output of the rules. On the other hand, experiences from CDS rules 
development can lead to improvements of the clinical models as well as 
increased motivations to adopt structured and standardized clinical models. 
Reusing existing high-quality clinical models in the form of archetypes would 
hopefully increase the productivity in authoring and maintaining clinical rules.

Please note that GDL is still in development. We aim to submit the GDL 
specifications for review in openEHR in the near future. We look forward to the 
community's feedback to further improve the specifications.

Some important links from this release:

1.       GDL Specifications 
(v.90)<https://github.com/openEHR/gdl-tools/blob/master/cds/docs/specs/gdl-specs.pdf?raw=true>

2.       GDL Editor<http://sourceforge.net/projects/gdl-editor/>

3.       GDL sample 
files<https://github.com/openEHR/gdl-tools/tree/master/cds/cm/guides>

4.       GDL Reference Implementation 
Project<https://github.com/openEHR/gdl-tools/wiki>

Rong Chen
On behalf of the Informatics Team,
Cambio Healthcare Systems, Sweden


Rong Chen, MD, PhD
CMIO, Director of Health Informatics
+46 8 691 49 81

Cambio+ Healthcare Systems AB
Stockholm:
Ringv?gen 100. SE-118 60 Stockholm
Vx: +46 8 691 49 00 | Fax: +46 8 691 49 99
Link?ping:
Brigadgatan 14. SE-587 58 Link?ping
Vx: +46 13 20 03 00 | Fax: +46 13 20 03 99
Epost: info at cambio.se<mailto:info at cambio.se> | Hemsida:www.cambio.se

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