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Subject: [ubl-lcsc] ISSUE: Nesting and Containership within Schema
Okay Library Content Group, time to get to
work. This is an invitation to discuss, keep this thread going to help us
find resolution. Thanks.
ISSUE IS: The
structure of the business documents within the library seems unusually flat by
XML, OO, and database standards.
**********Comments**********************
NDR
Comment: While we're not against the use of sequences, we suspect
that developers may find it more useful to have collections of elements that are
"rolled up" into container elements at an intermediate level (for example, rows
30-31 for country sub- entities).
The classic chunking standard for human memory is 7 +/- 2, and standard
operating procedure for software developers and database designers is to use
this standard.
We
also note that there's a lot of optionality of elements. For example,
there's nothing required in Address. Are there interoperability
consequences to this?
If the context methodology is sufficient, is it better to allow optional elements to be made required or better to allow removal of elements? [Row 22] Would intermediate containers help this situation at all (e.g., you can make the container optional and the contents required)? How is the "sweet spot" determined on this? As another example, we know that there will be other kinds of things that we want to consider line items, but each kind will have a different combination/cardinality of contents. We want to have a rule that the structures have the maximum number of required contents, and where splitting the structure into multiples will help, it should generally be done. Example: Line items contain at least quantity (1), part number (2), and description (3). In certain stages of the process, they also contain price information (4), tax information (5), and shipping information (6). So you have really four kinds of line item: order, invoice, shipping, and catalog. These should be considered different rows.Our
comment from the last face to face: We agree. The usage of Optional and Mandatory
elements needs to be revisited on a whole.
This needs to be captured in our methodology.
Arofan has written a containership document that has
not been finished yet. It is attached.
Tim's methodology paper addresses this also, you can
also use that as reference.
++++++++++++++++++++++++++++++++++++++++++++++++++++
Lisa Seaburg AEON Consulting Website: http://shell.gmi.net/~xmlgeek/ Email: xmlgeek@gmi.net Phone: 662-562-7676 Cellphone: 662-501-7676 "Artificial Intelligence is no match for Natural
Stupidity"
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Attachment:
p-gregory-containers-02.doc
Description: MS-Word document
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