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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Should Subject Matter Experts Determine XML Data Implement
 All SMEs are smes, but some SMEs are more sme than others. On Oct 3, 2008, at 7:17 PM, Jeff Greif wrote: > Roger, > > It might be worth investigating the subject of "Knowledge Engineering" > from the heyday of artificial intelligence and expert systems. > There's large body of research literature, including various books. > > An anecdote: > > When working on an expert system that was to determine the optimum > process and cost for making an automobile part from a set of > manufacturing processes, some description of the part, and economic > constraints such as how many pieces per year would be produced, and > the cost of electricity and labor in various factories around the > world, the technical group encountered a machining expert who said, > "Of course, you can calculate how fast you can machine the part on > each kind of lathe, taking into account the multiple tools cutting and > multiple machining stations simultaneously working, but I can do just > as well by playing a movie in my head of the part being produced, and > counting seconds." Needless to say, we could not do a direct > translation of this methodology in the expert system, and had to get > some instruction on how to do the calculations instead. The expert > system, built for a very large European company in the early 1990's, > was successful. > > Jeff > > On Fri, Oct 3, 2008 at 3:57 PM, Costello, Roger L. > <costello@m...> wrote: >> >> Hi Folks, >> >> Let me divide the world into two camps: >> >> 1. Subject Matter Experts (SMEs): these are people that are experts >> in >> a subject (domain), but are not necessarily expert at the >> technologies >> employed to implement the subject/domain. >> >> 2. Technology Experts: these are people that are experts at the >> technologies, but are not necessarily expert in the subject matter. >> >> ----------------------------------------------- >> Consider the following process to developing an XML data >> implementation: >> >> Step 1: SMEs are interviewed about the domain's data and its >> hierarchical relationships. A "Data Specification" is created which >> captures the domain's data and relationships. >> >> Step 2: Technology experts are then handed the Data Specification to >> implement. They create an XML Schema implementation. >> >> ----------------------------------------------- >> Questions about the development of the XML implementation of the Data >> Specification: >> >> 1. Should the technology experts be constrained to doing a 1:1 >> mapping >> of the Data Specification to the XML Schema? >> >> 2. Or, should the technology experts be at liberty to make >> alterations >> where they see fit? Alterations include using different names, >> generalizing, and reorganizing. >> >> ----------------------------------------------- >> Example: an expert on Books (a Book SME) is interviewed. From the >> interview, a "Book Data Specification" is generated. It's a detailed, >> complete document, containing such things as prose about what a >> Book is >> and the data that characterizes a Book and the relationships among >> the >> data. Here's a table which succinctly summarizes the Book domain's >> data >> and hierarchy: >> >> Book >> Author ..... String >> Title ...... String >> Date ....... Year >> ISBN ....... Sequence of digit, dashes, and 'x' >> Publisher .. String >> >> The Book Data Specification is then handed off to a technology expert >> for him to create an XML data implementation; namely, an XML Schema. >> >> In a 1:1 implementation, the schema declares a <Book> element that is >> comprised of <Author>, <Date>, <ISBN>, and <Publisher> elements. >> >> - Effectively, the SMEs are defining the XML data implementation. >> >> In a non-1:1 implementation, the schema diverges from the Book Data >> Specification. For example, suppose the technology expert makes these >> changes: >> >> - Instead of using the term "Publisher" he uses the term Pub, and >> thus declares a <Pub> element >> >> - Instead of single term "Author", he declares multiple terms: >> >> <Person> >> <GivenName>...</GivenName> >> <Surname>...</Surname> >> </Person> >> >> - Instead of the term "ISBN" he uses the term GUID (Globally Unique >> Identifier) >> >> ----------------------------------------------- >> Should an XML data implementation of a Data Specification be 1:1 with >> the Data Specification? In other words, should SMEs effectively >> define >> XML data implementations? >> >> Or, should technology experts be at liberty to diverge from a Data >> Specification and thus change things specified by SMEs? >> >> /Roger >> >> _______________________________________________________________________ >> >> XML-DEV is a publicly archived, unmoderated list hosted by OASIS >> to support XML implementation and development. To minimize >> spam in the archives, you must subscribe before posting. >> >> [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ >> Or unsubscribe: xml-dev-unsubscribe@l... >> subscribe: xml-dev-subscribe@l... >> List archive: http://lists.xml.org/archives/xml-dev/ >> List Guidelines: http://www.oasis-open.org/maillists/guidelines.php >> >> >> > > _______________________________________________________________________ > > XML-DEV is a publicly archived, unmoderated list hosted by OASIS > to support XML implementation and development. To minimize > spam in the archives, you must subscribe before posting. > > [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ > Or unsubscribe: xml-dev-unsubscribe@l... > subscribe: xml-dev-subscribe@l... > List archive: http://lists.xml.org/archives/xml-dev/ > List Guidelines: http://www.oasis-open.org/maillists/guidelines.php > 
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