[REVISIT] Re: [regrep-cc-review] Re: [regrep] 7/7/2003: Core Components and Data Types

["Chiusano Joseph" <chiusano_joseph@bah.com>]

I think I was a bit too hasty in my response below (must have been
rushing out for Happy Hour in Georgetown) ;)

I believe that being "of" a data type and being "defined/restricted by"
a data type are separate things, but I also believe that they both
accurately describe the role of a data type. The first one is the
probably the most familiar to people - we say that field X is of a
string data type, field Y is of an integer data type, etc. But if we
think of the lexical space of a data type (the range of valid values for
that data type), then a data type really does restrict a value. 

For example (these are things we all know - just stating them for
illustration purposes), the W3C Schema "int" data type has a minimum
value of -2,147,483,648 and a maximum value of +2,147,483,647.
Additionally, a schema author can use facets such as "minLength" and
"maxLength" to further restrict the lexical space of a data type - in
this case, a string data type.

Joe

Chiusano Joseph wrote:
> 
> <Quote>
> Being of data type and defined/restricted by a data type are to me
> separate things.
> </Quote>
> 
> Ah yes - I agree. If changing names of terms to more accurately reflect
> their role is beneficial for us, I fully support doing that.
> 
> Joe
> 
> "Monica J. Martin" wrote:
> >
> > Chiusano Joseph wrote:
> >
> > >Monica,
> > >
> > >These definitions are straight from the CCTS. Are you suggesting that we
> > >request a modification of the CCTS?
> > >
> > >
> > mm1: I'm not sure.  Being of data type and defined/restricted by a data
> > type are to me separate things.  I'll have to look over the
> > specification section for context, although on first glance I would like
> > others thoughts if it is the same thing.
> >
> > >Joe
> > >
> > >"Monica J. Martin" wrote:
> > >
> > >
> > >>*[JMC] Core Components (and Business Information Entities) are of Data
> > >>Types. A Data Type defines the possible set of values for a Basic Core
> > >>Component (and a Business Information Entity).
> > >>*
> > >>
> > >>·       /Core Components /(and /Business Information Entities/) have
> > >>/Properties /that are defined by Data Types
> > >>
> > >>/
> > >>/
> > >>
> > >>*Joe,
> > >>*
> > >>
> > >>*
> > >>I  would  suggest we revisit this definition a bit more.  Being defined
> > >>by a data type and being of  a data type do  not appear to me to be the
> > >>same thing.
> > >>*
> > >>
> > >>**
> > >>
> 
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