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Subject: Re: [saf] SAF Issue #14 - Templated syndromes & protocols


First, I would argue against extensions to standard XQuery. However, are we sure there is not a simple way to do this within XQuery? Something like this:

Temp_PARM = 98.6;
Signature = /SymptomStore/Symptom[matches(SymptomType,’^health/fever/.*$’) and Content/temperature> Temp_PARM];

Pardon the syntax. The "_PARM" could be suggested as a recommended convention to assist with redeployment, etc.

On 28 Jun 2011, at 04:37, Vaught, Jeffrey A wrote:

The proposal for template syndromes & protocols was to:
1.   Append a /template suffix on to the SyndromeType (and ProtocolType) to indicate it is a template.
2.   Add some kind of token/eyecatcher for substitutable parameters in the Syndrome signature and the Protocol directive.
For example, a template syndrome for Fever might look like this:
SyndromeType = health/fever/template
Signature = /SymptomStore/Symptom[matches(SymptomType,’^health/fever/.*$’) and Content/temperature>{temperature}
The {temperature} is the substitutable parameter.
One might copy the template, substituting parameters to create a human fever syndrome as follows:
SyndromeType = health/fever/human
Signature = /SymptomStore/Symptom[matches(SymptomType,’^health/fever/.*$’) and Content/temperature>98.6
After further discussion today, I’m concerned the proposal for template syndromes/protocols might muddy the spec, as a token in the xquery would mean XQUERY alone isn't sufficient.  Perhaps we add this to our “futures” section, or include in best practices non-normative documents.

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