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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: RE: Rethinking namespaces, attribute remapping (was Re: [
 You're arguing from the corner, Mike, and it isn't convincing. One can always make a tag soup work in a closed application. The problem is across applications, the kinds of things that arch forms were originally proposed for. Note that I am saying "for any given problem in every case". In other words, the concept of complete self-describing types begins to break down if these types have to integrate with more than one application. IOW, the concepts that lead to the namespaces solutions only cover a subset of the problems they are proposed for. Then they begin to break down. Identity is a good one to look at. A thing has identity in and of itself, but once there is more than one item, identity can only be derived, that is, is emergent by process of identification. That is why in one spec, identity is a native property and in others, is described by the term "identification". Newcomb brought this up in a private email concerning topic maps and merging issues. I quite agree with Steve. len From: Mike Champion [mailto:mc@x...] 9/27/2002 1:51:54 PM, "Bullard, Claude L (Len)" <clbullar@i...> wrote: >I am beginning to believe that attempting to work >with self-descriptive systems for any given problem >in every case is a non-starter. Well-formedness >simply isn't enough for interoperability; portability, >yes, but not interoperability. I'm not sure if I want to touch this mess, but RSS might be considered a counter-example. Sheesh, the weblog syndicators don't even seem to care much about well-formedness, just enough syntax constraint to point everyone in more or less the same direction. Still, NewsIsFree.com and a whole bunch of other aggregators manage to do a decent job of extracting a reasonable amount of meat from the tag soup. This is, admittedly a REAL simple use case (they only look for a small number of tags in a very flat XML hierarchy) but seems to at least minimally prove the concept that well-formed XML is more than a "non-starter." Getting those folks to agree on a common schema is EMPRICALLY a non-starter :-) (Apologies to Eric and others who have labored in that vineyard!). 
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