[georss] "When" information in georss

[Carl Reed OGC Account]

Why not GML? There is a rapidly growing international movement in various 
scientific and research communities (such as Oceans monitoring and 
environmental monitoring) to enable and make web accessible (via standard 
interfaces) numerous sensor networks using the new OGC Sensor Observation 
Service (SOS) and/or WFS. Both return GML responses.

Would be nice to be consistent.

Just wondering.

Carl

----- Original Message ----- 
From: "Andrew Turner" <ajturner at highearthorbit.com>
To: "Sean Gillies" <sgillies at frii.com>
Cc: <georss at lists.eogeo.org>
Sent: Wednesday, August 01, 2007 4:15 PM
Subject: Re: [georss] "When" information in georss


> b/c the current Time specification doesn't actually specify including
> the time element in the response. This is similar to the Geo that uses
> GeoRSS, and not OpenSearch-Geo, to specify the geographic search
> parameters.
>
> I was hoping for a more generic definition of time (not even
> necessarily bound to geo* - so not GML), but RSS or Atom don't support
> that it appears (which is actually kind of surprising?
>
> On 8/1/07, Sean Gillies <sgillies at frii.com> wrote:
>> Andrew Turner wrote:
>> > On 7/29/07, Sean Gillies <sgillies at frii.com> wrote:
>> >> The time period that the feed is valid for for ... that would be
>> >> published/updated up until *now* right? It seems that the best way to
>> >> indicate a future limit would be for the feed's origin server to set 
>> >> an
>> >> "Expires" HTTP header. That would be going with the grain of the Web.
>> >
>> > I may have requested a feed for another, arbitrary time period, say
>> > 4-20-2007 > 5-15-2007
>> >
>> > And relying on just the HTTP headers means that I then lose that
>> > information if I store the file. So like GeoRSS feeds can have a
>> > geometry that applies to the entire feed, it would be nice to use the
>> > timespan to define a timespan for the entire feed. This is especially
>> > important if I request a feed for that month, even if there are only
>> > items for a week in the middle. The feed still is of the entire month.
>> >
>> > Brian - can you put that example as a page on the GeoRSS CMS?
>> >
>> > Thanks,
>> > Andrew
>> >
>>
>> Andrew,
>>
>> Assuming you're using OpenSearch to request a feed using a temporal
>> query, could you not rely on the os:Query element that you would include
>> in the response?
>>
>> Sean
>>
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>
>
> -- 
> Andrew Turner
> ajturner at highearthorbit.com      42.2774N x 83.7611W
> http://highearthorbit.com              Ann Arbor, Michigan, USA
> Introduction to Neogeography - http://oreilly.com/catalog/neogeography
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