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RSS 0.9 backwards semantic compatibility?   Message List  
Reply | Forward Message #997 of 7450 |
(Motion) rdf:about for channel

> So, what is a 'channel' anyway? What is the thing being described?
>
> Someone suggested that the channel *is* the RSS file - and that the URL of
> the RSS file should be used for the rdf:about.

Agreed, for 1.0 I believe we should set rdf:about for the channel to "" and
look towards a URI representation in a later version. This usage of "" is
valid RDF, and is used in an example in the RDF spec.

I hereby propose to set the rdf:about attribute of the channel element to be
required to be "", meaning the RDF document itself.

Does anyone have any complaints with this change?

--
Aaron Swartz | me@... | http://www.aaronsw.com
Thu Oct 19, 2000 8:32 pm

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Forward 		Message #997 of 7450 |
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Hi. Looking at the RSS 0.9 spec [1], I noticed that it doesn't use rdf:about or rdf:ID on any of it's descriptions. Therefore, each RSS 0.9 file is NOT ... 		Jason Diamond
jason@...
Send Email 		Oct 17, 2000
4:28 pm

This issue is more difficult than it seems. We're making RDF assertions, that much is clear. The question then becomes about what. If we make them about items...
Aaron Swartz
aswartz@...
Send Email 		Oct 17, 2000
11:14 pm

... When we are making assertions about 'items' it is fine to use the URL of the item in the rdf:about, because we are describing a particular Web resource at...
Andy Powell
lisap@...
Send Email 		Oct 18, 2000
11:09 pm

... Agreed, for 1.0 I believe we should set rdf:about for the channel to "" and look towards a URI representation in a later version. This usage of "" is valid...
Aaron Swartz
aswartz@...
Send Email 		Oct 19, 2000
8:32 pm

Hi Aaron, ... Yes, I have ;) While I agree that a good practice would be to set this attribute to a URI where you can usually find the channel, I don't think...
Eric van der Vlist
vdv@...
Send Email 		Oct 19, 2000
9:16 pm

Due to the good points brought up by Eric and Dan (thanks guys!) I'd like to try proposing the opposite: The rdf:about attribute of the channel element is a...
Aaron Swartz
aswartz@...
Send Email 		Oct 19, 2000
10:44 pm

... I'd much prefer an absolute URI, so that apps can ship the channel data around in text format without having to ship a bunch of 'where I found this'...
Dan Brickley
daniel.brickley@...
Send Email 		Oct 19, 2000
9:50 pm

... Yes (I think, I'm just rereading the recent articles on this while updating the issues page). I don't recall us concluding that we're breaking the...
Ken MacLeod
ken@...
Send Email 		Oct 19, 2000
11:03 pm

... I was just re-reading the spec on this point, and things are very unclear. First, the channel element only says "The {resource} URL of the channel ...
Aaron Swartz
aswartz@...
Send Email 		Oct 19, 2000
11:14 pm

What is sure is that: 1) per RDF semantic, rdf:about is used as an identifier for the channel. 2) per RSS 0.9x usage, the link element is a URL (or URI)...
Eric van der Vlist
vdv@...
Send Email 		Oct 20, 2000
6:32 am

... To summarize what I think I've heard said, and put that in to terms I think most important for RSS 1.0, then: * the explicit connection between <link> and...
Ken MacLeod
ken@...
Send Email 		Oct 20, 2000
12:49 pm

... I find it a good summary. Eric ... -- ... Eric van der Vlist Dyomedea http://dyomedea.com http://xmlfr.org http://4xt.org...
Eric van der Vlist
vdv@...
Send Email 		Oct 20, 2000
1:25 pm

... <http://www.egroups.com/message/rss-dev/1006> ... If this solves the immediate need, then the next step is to word it as specific changes to the spec, and...
Ken MacLeod
ken@...
Send Email 		Oct 20, 2000
3:54 pm

... Before writing these up as spec changes, I'd like to see a poll and perhaps even a vote on the issue. I was under the impression that there might be some...
Aaron Swartz
aswartz@...
Send Email 		Oct 20, 2000
6:34 pm

... No problem, the poll's been seconded (and now thirded :-). I believe we have determined, though the poll will surely help, that there is considerable...
Ken MacLeod
ken@...
Send Email 		Oct 20, 2000
7:12 pm
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