Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> comp.databases.theory -> Re: Hierarchal vs Non-Hierarchal Interfaces to Biological Taxonomy

Re: Hierarchal vs Non-Hierarchal Interfaces to Biological Taxonomy

From: Neo <neo55592_at_hotmail.com>
Date: 15 Dec 2006 21:35:28 -0800
Message-ID: <1166247328.597964.304840@73g2000cwn.googlegroups.com>


> Wanna know what's always bothered me about the way we describe
> hierarchies? We call the predecessor and successor parent and child and
> then throw in the autogenesis rule: "A child can have only one parent."
> There are very few children with only one parent... WTF do we use those
> terms?

I think hierarchy was originally was related to the power structure among preists. May be the emphasis on one parent came from there.

> Go for it all! Do real graphs!! Don't think, "I'll figure out hierarchies first, then retrofit whatever it might take to do graphs."

Do you consider graphs and networks to be the same or different? Received on Fri Dec 15 2006 - 23:35:28 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US