Ed2 short to Ed1 long conversion

Wilson, Peter R peter.r.wilson at boeing.com
Wed May 8 14:04:29 EDT 2002


    The proposed algorithm ("Guidance for generating long-form EXPRESS
schemas for all editions of EXPRESS", Feeney, Haenisch, Price and Wasmer,
2001/08/27) for short to long forms includes an Ed2 to Ed1 algorithm.

    Does anyone know if the overall algorithm is order independent? That is,
do you get the same result if you convert all the participating schemas
(which in future will be a mix of Ed1 and Ed2) to Ed1 and then do the
short-to-long process as when you do a short-to-long process (resulting in
an Ed2 long) and then do the Ed2 to Ed1 conversion?

Peter W.

Dr Peter R. Wilson
Boeing Commercial Airplanes
PO Box 3707, MS 6H-AF, Seattle, WA 98124-2207
(Package Delivery: MS 6H-AF, 1601 E. Valley Frontage Road, Renton, WA 98055)
Tel: (425) 237-3506, Fax: (425) 237-3428
Email: peter.r.wilson at boeing.com
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