Path: text.usenetserver.com!out02a.usenetserver.com!news.usenetserver.com!in02.usenetserver.com!news.usenetserver.com!postnews.google.com!news2.google.com!newsfeed2.dallas1.level3.net!news.level3.com!newsfeed-00.mathworks.com!lon-transit.news.telstra.net!lon-in.news.telstra.net!news.telstra.net!news-server.bigpond.net.au!53ab2750!not-for-mail From: Joe Thurbon User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 Newsgroups: comp.databases.theory Subject: Re: RM formalism supporting partial information References: <1195048037.452393.204120@y27g2000pre.googlegroups.com> <473b1fdc$0$5270$9a566e8b@news.aliant.net> <1195078888.418889.74500@e34g2000pro.googlegroups.com> <92ecb0fc-eb59-417c-9327-a8a0a80a47c5@i12g2000prf.googlegroups.com> <1c3ac8ce-c095-4e95-863f-9c209366a7be@e23g2000prf.googlegroups.com> <11d1198e-b01f-43cd-95f1-6ad732086350@i29g2000prf.googlegroups.com> <473c8c00$0$5284$9a566e8b@news.aliant.net> <5f0fb7aa-5200-47e1-8b05-22473a35a0bd@f3g2000hsg.googlegroups.com> <473dcda5$0$5296$9a566e8b@news.aliant.net> <473dd698$0$5262$9a566e8b@news.aliant.net> <60726d4d-276f-4fe5-bccb-7d229966ce43@n20g2000hsh.googlegroups.com> <47432d53$0$5268$9a566e8b@news.aliant.net> In-Reply-To: <47432d53$0$5268$9a566e8b@news.aliant.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Lines: 19 Message-ID: Date: Tue, 20 Nov 2007 20:44:07 GMT NNTP-Posting-Host: 121.208.4.141 X-Complaints-To: abuse@bigpond.net.au X-Trace: news-server.bigpond.net.au 1195591447 121.208.4.141 (Wed, 21 Nov 2007 07:44:07 EST) NNTP-Posting-Date: Wed, 21 Nov 2007 07:44:07 EST Organization: BigPond Internet Services Xref: usenetserver.com comp.databases.theory:167437 X-Received-Date: Tue, 20 Nov 2007 15:45:03 EST (text.usenetserver.com) Bob Badour wrote: [...] > > In this context, your assertion is rather like 'transportation is > essential'. Either buses or bicycles suffice. As I said, I am not sure > the name is necessarily part of the element. We must have some way to > identify the elements, but any identification method suffices. Of > course, we choose names over positions because positions are necessarily > tied to a specific medium, and we want to use media-independent > representations. > I'm afraid you've lost me. In what sense are names more media-independent than positions? Cheers, Joe