[xtm-wg] Datatypes in XTM (Was: Binding Topics and Topic Characteristics to Time)

[Murray Altheim <altheim@eng.sun.com>]

Jan Algermissen wrote:
> 
> I came across the question about dates and time intervals too recently and
> I have a quite simple solution in mind. I have not tried this out thoroughly,
> but I post it now, since the issue has been addressed now.
> 
> To avoid having to create topics for every date or time interval,
> PSIs could be used instead. If there was a well-defined syntax for
> generic date and time interval PSIs, topic map authors could
> simply use <subjectIndicatorRef> to refer to dates and time intervals:
[...]

Well, clever minds think alike. I'll be posting a Technical Report soon
outlining a method for incorporating notation-based data within a topic
map, based on the XML Schema Datatypes specification. The TR will include
a topic map declaring PSIs for all XML Schema datatypes, providing the
functionality you describe, given that XML Schema datatypes include the
ability to express dates and times. The TR will also include a description
of how to declare your own customized datatypes, such as programming 
languages, so that Java or Javascript code could be included within a
CDATA section, e.g., in a <variant> element using "http://...Java" as a
<parameter> scope.

The above-described TR will be announced on this list, so stay tuned. I
hope to have a first draft ready by mid-next week.

Murray

...........................................................................
Murray Altheim                            <mailto:altheim&#x40;eng.sun.com>
XML Technology Center
Sun Microsystems, Inc., MS MPK17-102, 1601 Willow Rd., Menlo Park, CA 94025

      In the evening
      The rice leaves in the garden
      Rustle in the autumn wind
      That blows through my reed hut.  -- Minamoto no Tsunenobu

------------------------ Yahoo! Groups Sponsor ---------------------~-~>
Find software faster. Search more than 20,000
software solutions on KnowledgeStorm. Register
now and get started.
http://us.click.yahoo.com/ee3V2C/RNSCAA/2h4EAA/2n6YlB/TM
---------------------------------------------------------------------_->

To Post a message, send it to:   xtm-wg@eGroups.com

To Unsubscribe, send a blank message to: xtm-wg-unsubscribe@eGroups.com 

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/