On Aug 11, 2:45=A0pm, Mayeul <mayeul.marg...@free.fr> wrote:
> mathieu wrote:
> > On Aug 10, 6:19 pm, "Steve W. Jackson" <stevewjack...@knology.net>
> > wrote:
> >> In article
> >> <10e1b9c8-e9d5-4c55-8fe1-badbb86fe...@d23g2000vbm.googlegroups.com>,
>
> >> =A0mathieu <mathieu.malate...@gmail.com> wrote:
> >>> Hi there,
> >>> =A0 I am looking at a way to express dynamic in XML. For example let =
say
> >>> I have :
> >>> ...
> >>> <person name=3D"John Doe" Age=3D"30">
> >>> ...
> >>> =A0 How can I say that every year Age should be increased by 1 ? Has
> >>> anyone work on integrating language and storing it as XML ?
> >>> thanks
> >> A person's date of birth doesn't change. =A0Include that and then the
> >> "age" information will always be accurate when calculated from a
> >> specified date.
>
> > Excellent. So I now have:
>
> > <person name=3D"John Doe" Bday=3D"197001001">
>
> I suggest a more standard date format, for instance 1970-01-01 (yyyy-mm-d=
d)
>
> > How do I express the rule Age is computed from Bday using current
> > date ?
>
> I suggest you programmatically do that in whatever program will ever use
> your XML as input. XML is meant to represent, and therefore exchange,
> data. It is rarely meant to apply data computing.

Just like XML is meant to exchange data, I am looking for a standard
to exchange rules and dynamics. Looks like w3c is working on it:

http://www.w3.org/2005/rules/wiki/RIF_Working_Group

I'll see if this is a good entry point.

Thanks anyway,