Path: news.easynews.com!core-easynews!newsfeed1.easynews.com!easynews.com!easynews!news.he.net!news-hog.berkeley.edu!ucberkeley!newsfeed.stanford.edu!postnews1.google.com!not-for-mail From: neo55592@hotmail.com (Neo) Newsgroups: comp.databases.theory Subject: Re: Do Data Models Need to built on a Mathematical Concept? Date: 5 May 2003 09:18:06 -0700 Organization: http://groups.google.com/ Lines: 5 Message-ID: <4b45d3ad.0305050818.578069e2@posting.google.com> References: <17ce58cf.0304240518.34ebfe22@posting.google.com> <4b45d3ad.0305011433.5ae8baa4@posting.google.com> <3EB1AA25.50307@atbusiness.com> <4b45d3ad.0305021332.436c1d36@posting.google.com> <4b45d3ad.0305021832.111fbebd@posting.google.com> <3EB34CD7.8010502@atbusiness.com> <4b45d3ad.0305030905.2e8c66f5@posting.google.com> <4b45d3ad.0305041522.1cc70a75@posting.google.com> NNTP-Posting-Host: 67.98.160.227 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Trace: posting.google.com 1052151487 10220 127.0.0.1 (5 May 2003 16:18:07 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: 5 May 2003 16:18:07 GMT Xref: core-easynews comp.databases.theory:26176 X-Received-Date: Mon, 05 May 2003 09:17:36 MST (news.easynews.com) > There are many pairs here that don't make any sense. For example, > what color is this job? How many persons does this chair have? In order to indicate a meaning more clearly, a node would typically have to be the intersection of many things, just like a tuple.