[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Package problem?



On Fri, 06 Apr 2001, Roy Ladner wrote:
> 
> 
> 
> Falko Braeutigam wrote:
> 
> > On Thu, 05 Apr 2001, Roy Ladner wrote:
> > >
> > >
> > >
> > > Falko Braeutigam wrote:
> > >
> > > > On Thu, 05 Apr 2001, Azhar Hussin wrote:
> > > >
> > > > > have anyone ever use ozone for data-mining purposes ?
> > > > > I am thinking to do that
> > > >
> > > > In general, ozone is great to run applications with highly structured object
> > > > graphs. It is not that suited to run applications with large numbers of uniform
> > > > data. SQL is better for that.
> > > >
> > >
> > > Can you explain what you mean by 'large numbers of uniform data' and why ozone is
> > > not suited to that sort of application.
> >
> > millions of data records without any structure (relations). consider a
> > sales database of Amazon or something. Just item num, prize, date, etc. No
> > structure. You just need to store the data. Efficient searching needs very good
> > strategies here. RDBMS are great for that.
> >
> > On the other hand consider a database of molecules. Each atom only has up
> > to say 10 connections to other atoms but there could be really lots of them in
> > there. Highly structured. Such applications need a way to model this
> > structure in a natural way. RDBMS are unable to do this. Searching atom with
> > weight X (what an RDBMS could do) makes no sense here, because the structure is
> > important
> >
> > Of course, these are the two extremes. You need to check for each project
> > what exactly does this mean 'large number' and 'highly structured'.
> >
> >
> 
> Isn't data mining relevant to both extremes?  Wouldn't data mining in an Ozone
> environment be useful for the highly structured data?  Is there anything in Ozone that
> would hinder data mining?

No. I just cannot imagine a data mining system that takes into account the
structure of the data. Anyway, I know not that much about data mining ;)


Falko
-- 
______________________________________________________________________
Falko Braeutigam                              mailto:falko@smb-tec.com
SMB GmbH                                        http://www.smb-tec.com