Re: Latest version of glossary

"Alexandr Savinov" <spam_at_conceptoriented.com> wrote in message news:43feddcd$1_at_news.fhg.de...
> x schrieb:
> > "Alexandr Savinov" <spam_at_conceptoriented.com> wrote in message
> > news:43fec3be$1_at_news.fhg.de...

> >> In other words, without an identifier a thing is NOT an entity. Without
> >> properties it is also NOT an entity.

> > Without an identifier a thing is not a thing :-)

> It depends how we define a thing. We can assume that a thing may exist
> without an identifier or at least without an explicit identifier.

> I also can hardly imagine that but we need a kind of catch all term
without any
> constraints.

See below
> > Maybe we can call it "stuff" ?

> > Without properties it cannot be identified :-)

> It depends how we define a property. I my opinion a property is a
> characteristic that is NOT intended to identify entities. Rather it is
> intended to describe them semantically (how an entity looks like among
> other entities).
>
> thing
> / | \
> entity identity dimension
>
> - entity has some identifier
> - identifiers refer to some entity
> (entities and identities live in pairs)
>
> - dimension can be applied to both entities and identities because both
> these things have a structure (fields, columns etc.)

How an identifier look like ?
Are you talking about the names or about the true names ? Received on Fri Feb 24 2006 - 11:37:09 CET