FWIW, the Media RSS extension cites http://web.resource.org/rss/1.0/
modules/dcterms/#valid] as a best practice.
On 29/09/2005, at 4:45 PM, James Holderness wrote:
Just a follow-up on the representation of Date Ranges in dublin
core. I was under the mistaken impression that you needed to use a
DCMI Period encoding to represent a date range, but apparently ISO
8601 time intervals are perfectly valid. In order to clarify the
situation, the DC Date Working Group has recently recommended the
following replacement for the comment associated with the date
element:
"Typically, Date will be associated with the creation or
availability of the resource. A date value may be a single date or
a date range. Date values may express temporal information at any
level of granularity (including time). Recommended best practice
for encoding the date value is to supply an unambiguous
representation of the single date or date range using a widely-
recognized syntax (e.g., YYYY-MM-DD for a single date; YYYY-MM-DD/
YYYY-MM-DD for a date range; YYYY-MM-DDTHH:MM to specify a single
date and time down to the minute)."
Full details of the recommendation can be found here:
http://dublincore.org/usage/meetings/2005/09/madrid/files/
2005-07-29.date-comment.txt
Personally I think that makes the idea of using dublin core for
this extension a whole lot more palatable.
--
Mark Nottingham http://www.mnot.net/
