[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Should Subject Matter Experts Determine XML DataImplementa
At 8:24 AM -0400 10/4/08, Costello, Roger L. wrote: > > Many organizations have found that an iterative >> process, in which technology experts consult with SMEs and >> revise the specification, and the design, many times during >> development. > >Good points. I did not mean to imply that the development of a Data >Specification is a one-time thing. As you point out, a Data >Specification may be revised iteratively as deeper insights are >obtained. > >Nonetheless, my question remains: what is the connection between a Data >Specification and a derived XML Schema design? You didn't get my point, or at least my whole point. I suggest that your SMEs be involved in BOTH development of specification documents AND development, or at least testing and adjustment, of the data design. Given their involvement throughout the process, your question is simply a question of whether the original specification is continually updated as the requirements are CLARIFIED and ADJUSTED or if the resultant data design is documented in some other way. * Clarified, because as the SMEs see how they are interpreted by the techies and see what structures result from implementing the original specifications, they will clarify the requirements. (At least, I have never seen a Data Specification that was so perfect that as the SMEs saw it implemented they didn't think of things that should have been there from the beginning and realize that it was ambiguous in some aspects that cause techies to do something surprising). * Adjusted, because the techies will discover that some of the things the SMEs specified require magic, others will be very costly, and others don't seem reasonable. However, instead of simply making changes to "fix" these "errors" in the spec, they will consult with the SMEs. It is likely that SOME of these things don't matter, and some are critical. If the techies just guess the data design will be broken. If they follow the original data specification slavishly it will be inelegant, inefficient, and probably broken. So, if you continue to revise the Data Specification as requirements are discovered and accommodated, then at the end there will be a 1:1 relationship. And if you abandon that document as a "starting place" and document your schema elsewhere, then there won't be. Your question is not, or at least in my opinion should not be, a question about data design, it is a question about documentation practice. -- Tommie -- ====================================================================== B. Tommie Usdin mailto:btusdin@m... Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Phone: 301/315-9631 Suite 207 Direct Line: 301/315-9634 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in XML and SGML ======================================================================
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