Re: How to develop a common schema for data exchange
Hi Fraser If anyone puts you off attempting they they might be doing you a favour. It takes a tremendous amount of time and effort to not just get the design right but to agree with all stakeholders on either the semantic content or just to agree which effort is the 'authoritative' one to be doing the work. Probably best to avoid a lot of the hard and technically controversial work by using an existing set of what some groups call 'naming and design rules'. One example is the one I got involved with - Universal Business Language (UBL) Naming and Design Rules - which is royalty free and open under OASIS but has special requirements to follow the UN/CEFACT umbrella standard for interoperability and harmonisation of business schemas called CCTS and that puts a bit of an overhead on it to say the least. Still if you want to give it a perusal you can find public draft #1 'NDR' (naming and design rules) for UBL at http://docs.oasis-open.org/ubl/prd-UBL-NDR-2.0.htm and another draft is in progress. Generally the UBL project put a lot of thought and work into how your needs might be met by a recognised group (or even a private team though that wasn't exactly thought to be something to encourage) and came up with a methodology (and ongoing set of methodologies) which a fair bit of looking up on Google under Universal Business Language or UBL should bring to light - all royalty free and designed for industrial strength solutions in the main but not particulalry 'highend' ones. But, as I say, it's a lot of work to get something usable and agreed. Not to be undertaken lightly unless you've a lot of spare time and no other hobbies :-) All the best Stephen Green On 21/04/07, Fraser Hore <fraserhore@h...> wrote: > > > > > I'm working with humanitarian organizations that do a lot of data collection > in the field. There is a tremendous amount of redundancy of data collection > (surveys etc.) across different organizations and units because they don't > have common data standards. I would like to help them create a shared > schema for common data such as nutrition and health data. I would be > grateful if anyone has any advice or can direct me to resources that > describe how to go about this. Intuitively I imagine that there is a > process whereby a user group is formed to develop an agreed set of schema > definitions for the data. Some advice on how to design these schema > definitions would be great. > > > > Thanks, > > > > Fraser > >
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