mathieu wrote:
> On Aug 11, 2:45 pm, 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>,
>>>>  mathieu <mathieu.malate...@gmail.com> wrote:
>>>>> Hi there,
>>>>>   I am looking at a way to express dynamic in XML. For example let say
>>>>> I have :
>>>>> ...
>>>>> <person name="John Doe" Age="30">
>>>>> ...
>>>>>   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.  Include that and then the
>>>> "age" information will always be accurate when calculated from a
>>>> specified date.
>>> Excellent. So I now have:
>>> <person name="John Doe" Bday="197001001">
>> I suggest a more standard date format, for instance 1970-01-01 (yyyy-mm-dd)
>>
>>> 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.

My mistake, so this really is what you want to do.

I'm sure a lot of standard recommendations and drafts were made, and are 
being done, in this area. I'm not even close to start understanding 
their point, though.

Good luck with your research.

--
Mayeul