Re: PaceArchiveDocument posted

2005-02-06 Thread Henry Story
On 6 Feb 2005, at 08:00, Bob Wyman wrote: -1. The use cases for archiving have not been well defined or well discussed on this list. It is, I believe, inappropriate and unwise to try to rush through something this major at the last moment before a pending Last Call. I agree. Very serious -1 for

Re: PaceClarifyDateUpdated

2005-02-06 Thread Roger B.
> What do you propose one should do when the current system to which Atom > output is to be added do not record such updates but only records the > date when the bytes changed? Henri: As a practical matter? If that's what you have, that's what you use. But a lot of it comes down to knowing your

Re: Open Comments.....

2005-02-06 Thread Roger B.
> The problem with commenting as it is practiced today is that it > relies on granting others the right to write into one's blog. > ... > Thus, more and more commenting will move to a > track-back model (either explicit via mechanisms like > trackback or implicit > via link tracking tool

Re: PaceClarifyDateUpdated

2005-02-06 Thread Henri Sivonen
On Feb 6, 2005, at 11:56, Roger B. wrote: What do you propose one should do when the current system to which Atom output is to be added do not record such updates but only records the date when the bytes changed? Henri: As a practical matter? Yes. Also as a spec expectation--that is, how often is

Re: PaceClarifyDateUpdated

2005-02-06 Thread Henry Story
Thinking about it, I would be in favor of clarifying it to be "any change should result in a date update". Clients can do simple diffs and work out themselves if the changes warrant a new date. Presumably clients that see that the only change has been to the white space layout may decide that this

Re: PaceClarifyDateUpdated

2005-02-06 Thread Henry Story
From what has been said recently previous versions of RSS had no versioning mechanism. It was therefore not possible for software to automate the difference tracking behavior. Hence your problem is partly related to the limitations in the previous formats. Since Atom does in fact have a versioning

Re: PaceClarifyDateUpdated

2005-02-06 Thread Graham
On 6 Feb 2005, at 7:15 am, Henri Sivonen wrote: What do you propose one should do when the current system to which Atom output is to be added do not record such updates but only records the date when the bytes changed? The modification dates in my current RSS feed are based on the HTTP Last-Mod

Re: mustUnderstand, mustIgnore [was: Posted PaceEntryOrder]

2005-02-06 Thread Bill de hÓra
James M Snell wrote: My challenge with the idea of mustUnderstand in Atom is in trying to figure out how the heck it would realistically be used for anything worthwhile. Take blog content for instance, if my blog reader accesses a feed that contains an entry with a mustUnderstand metadata element

Re: PaceClarifyDateUpdated

2005-02-06 Thread Tim Bray
On Feb 6, 2005, at 3:16 AM, Henry Story wrote: Thinking about it, I would be in favor of clarifying it to be "any change should result in a date update". If you will go back and review the correspondence, you will discover a lot of argument, the upshot of which was, different publishers have ver

Re: PaceArchiveDocument posted

2005-02-06 Thread Sam Ruby
Henry Story wrote: On 6 Feb 2005, at 08:00, Bob Wyman wrote: -1. The use cases for archiving have not been well defined or well discussed on this list. It is, I believe, inappropriate and unwise to try to rush through something this major at the last moment before a pending Last Call. I agree

Re: PaceArchiveDocument posted

2005-02-06 Thread Graham
On 6 Feb 2005, at 3:39 pm, Sam Ruby wrote: If you produce feeds that contain multiple entries with the same id, there will be people who misunderstand such documents. I do believe that there needs to be some way to say "this is not a feed, but an archive". Solution: A new atom:archive top level

Re: PaceArchiveDocument posted

2005-02-06 Thread Bill de hÓra
Graham wrote: On 6 Feb 2005, at 3:39 pm, Sam Ruby wrote: If you produce feeds that contain multiple entries with the same id, there will be people who misunderstand such documents. I do believe that there needs to be some way to say "this is not a feed, but an archive". Solution: A new atom:arc

Re: PaceClarifyDateUpdated

2005-02-06 Thread Bill de hÓra
Tim Bray wrote: On Feb 6, 2005, at 3:16 AM, Henry Story wrote: Thinking about it, I would be in favor of clarifying it to be "any change should result in a date update". No, atom:update is subjective. How UIs support that subjectivity is best left to innovation. I like Graham's wording as it make

Re: PaceArchiveDocument posted

2005-02-06 Thread Sam Ruby
Graham wrote: On 6 Feb 2005, at 3:39 pm, Sam Ruby wrote: If you produce feeds that contain multiple entries with the same id, there will be people who misunderstand such documents. I do believe that there needs to be some way to say "this is not a feed, but an archive". Solution: A new atom:arch

Re: PaceArchiveDocument posted

2005-02-06 Thread John Panzer
Antone Roundy wrote: I'd rather have held off while we discussed further, but as the deadline is approaching, here it is. Abstract Creates a new option for the document element, , which can contain multiple feeds or instances of the same feed, in order to archive the states of a feed or feeds a

Re: PaceClarifyDateUpdated

2005-02-06 Thread Robert Sayre
Bill de hÓra wrote: Tim Bray wrote: The reason that we have "updated" with the current language is it reflects the reality that the *only* kind of change that can be cleanly defined is "The publisher thinks it changed." Strong agreement and as I'm not constrained by being a chair, I'll go furt

BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Bob Wyman
Sam Ruby wrote: > If you produce feeds that contain multiple entries with the same > id, there will be people who misunderstand such documents. So what? If they initially misunderstand, they will eventually learn how to do it properly. In any case, I think you miswrote the quoted s

RE: Open Comments.....

2005-02-06 Thread Bob Wyman
Roger Benningfield wrote: > Bob: Bah, bug, and hum. Comments are just micro-message boards, Wrong... Comments are just entries that are normally presented to users in what appear to be micro-message boards. As is usually the case in software design, it is very important to ensure t

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Henry Story
I have read your message in full, and I am totally convinced by your argument. I think the sliding window view is clear, simple and powerful. (I also think it can easily be modeled in RDF.) Many +1's from me. Henry Story On 6 Feb 2005, at 20:20, Bob Wyman wrote: The current proposals to define an "

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread John Panzer
Bob Wyman wrote: I have long contended that a Feed Document is a "sliding window" on a feed. Sayre and others have said that a Feed Document is "a representation of the current state of a set of entries." Agreed that these are different and that defining which is acceptable/required is needed.

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Sam Ruby
Bob Wyman wrote: Sam Ruby wrote: If you produce feeds that contain multiple entries with the same id, there will be people who misunderstand such documents. So what? If they initially misunderstand, they will eventually learn how to do it properly. It is quite possible that "they" outnumber "yo

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Eric Scheid
On 7/2/05 6:20 AM, "Bob Wyman" <[EMAIL PROTECTED]> wrote: > In this particular debate, the core issue is "What is a Feed > Document?" I have long contended that a Feed Document is a "sliding window" > on a feed. Sayre and others have said that a Feed Document is "a > representation of the current

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Robert Sayre
Bob Wyman wrote: Anyway, I am convinced that the "current state" view is less useful then the "sliding window" view. The current proposals to define an "archive" type to patch "sliding window" into Atom are excellent indications that I'm right... I know others disagree... I also realize tha

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Graham
feeds frequently have multiple entries with the same atom:id Can you name one example that wasn't written by an arsehole trying to trick aggregators into behaving in a way they weren't designed to? I have long contended that a Feed Document is a "sliding window" on a feed. Sayre and others have

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread John Panzer
Eric Scheid wrote: On 7/2/05 6:20 AM, "Bob Wyman" <[EMAIL PROTECTED]> wrote: In this particular debate, the core issue is "What is a Feed Document?" I have long contended that a Feed Document is a "sliding window" on a feed. Sayre and others have said that a Feed Document is "a re

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Bill de hÓra
Bob Wyman wrote: In this particular debate, the core issue is "What is a Feed Document?" I have long contended that a Feed Document is a "sliding window" on a feed. Sayre and others have said that a Feed Document is "a representation of the current state of a set of entries." The difference

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Bill de hÓra
John Panzer wrote: Since an entry is identified uniquely by its atom:id (though it can have different states at different times); And, since it's not possible to add more than one of any unique thing to a (mathematical) set; And, since Sliding Window may require adding two elements with the sam

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Dan Brickley
* John Panzer <[EMAIL PROTECTED]> [2005-02-06 13:58-0800] > Since an entry is identified uniquely by its atom:id (though it can have > different states at different times); As I understand the Web, the "REST" concepts that underpin HTTP are quite happy with their being multiple representations

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Roy T. Fielding
On Feb 6, 2005, at 2:24 PM, Dan Brickley wrote: * John Panzer <[EMAIL PROTECTED]> [2005-02-06 13:58-0800] Since an entry is identified uniquely by its atom:id (though it can have different states at different times); As I understand the Web, the "REST" concepts that underpin HTTP are quite happy w

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Eric Scheid
On 7/2/05 8:58 AM, "John Panzer" <[EMAIL PROTECTED]> wrote: > Since an entry is identified uniquely by its atom:id (though it can have > different states at different times); And, since it's not possible to add more > than one of any unique thing to a (mathematical) set; And, since Sliding > Wind

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread John Panzer
Eric Scheid wrote: On 7/2/05 8:58 AM, "John Panzer" <[EMAIL PROTECTED]> wrote: ... I didn't specifically define "set" to be the more limited mathematical definition. Think dining room set -- a collection of otherwise identical items (chairs). Okay.  I suggest we use

Re: dereferencability of ?

2005-02-06 Thread Joe Gregorio
On Sun, 06 Feb 2005 16:21:25 +1100, Eric Scheid <[EMAIL PROTECTED]> wrote: > > consider > > > > assume for the moment that is a valid scheme > > is that kind of URI something we want to allow in link/@href? I see no problem with the above example. The usage of a URI in no way mandate

RE: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Bob Wyman
Roy T. Fielding wrote: > Aggregators do not consume feed resources -- they consume an > iterative set of overlapping feed representations. This is only true of pull based aggregators that poll for feeds. None of the aggregators that I use are polling based. I use the PubSub Sidebars and th

Re: mustUnderstand, mustIgnore [was: Posted PaceEntryOrder]

2005-02-06 Thread Mark Nottingham
On Feb 5, 2005, at 6:01 PM, Roy T.Fielding wrote: On Feb 5, 2005, at 9:48 AM, Mark Nottingham wrote: What does that mean? SOAP is a "Must Ignore format," but it also has a way of saying that you have to understand a particular extension; as I said before, this is one of the big problems with HTT

Re: BAG Question: What is a feed? Sliding-Window or Current-State?

2005-02-06 Thread Mark Nottingham
This is why I prefer "snapshot" to "feed"; the latter doesn't convey what an Atom Feed Document really is, and leads to just this kind of confusion. Another direction to go in would be to add metadata (probably in the head) that says what kind of feed it is; e.g., "an archive," "a snapshot of