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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Geographic v. topological address allocation
On Mon, Nov 17, 1997 at 02:16:57PM -0600, Sean Donelan wrote: > >An object name like an ISBN does not need to be > >hierarchical because they do not describe discrete > >locations. Introducing hierarchy improves managability > >and efficiency of databasing. Many hierarchies can be > >imposed on object names. > > If there isn't, there should be a theory in computer science > with enough levels of indirection you can solve any problem, > i.e. ISBN->Call Number->Shelf Location. Trick question: Does > a LC Call number describe a location in a topology or an object > name? It maps a subject to a location in an (arbitrary) topology (ie: library shelves). Note that call number -> shelf location is a one to one (for sufficiently granular call numbers), but ISBN-> call number is _guaranteed_ to be one to one; ISBNae are unique. End of off topic thread. :-) Cheers, -- jra -- Jay R. Ashworth [email protected] Member of the Technical Staff Unsolicited Commercial Emailers Sued The Suncoast Freenet "Two words: Darth Doogie." -- Jason Colby, Tampa Bay, Florida on alt.fan.heinlein +1 813 790 7592
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