Re: NEW RELATIONS: timegate ; timemap ; memento ; original

[James M Snell <[e-mail]>]

On Mar 18, 2013 12:20 AM, "Jan Algermissen" <[e-mail]>
wrote:
>
> Herbert,
>
> On 17.03.2013, at 15:49, Herbert van de Sompel <[e-mail]> wrote:
>
> > Dear Jan,
> >
> > In the link relation registry at
> > http://www.iana.org/assignments/link-relations/link-relations.xml I
> > see several entries that point to versions of Internet Drafts:
> >
> > - http://tools.ietf.org/html/draft-snell-additional-link-relations-07
> > - http://tools.ietf.org/html/draft-wilde-profile-link-04
>
> That is strange - but I guess the idea is to update them, once the specs
are done.
>

Those specs are done really. All they are waiting for is rfc# to be issued.
The respective relations were added to the registry per the iana actions
step of final publication.

- James

> Agreed - there is no reason your link relation types could not be defined
the same way.
>
> Having said that, I suggest some corrections to the I-D.
>
> - Throughout section 2.2 please s/Relation Type/Link Relation Type/
>
> - You write that resource MUST/SHOULD include certain Link headers but it
is the response entities that you mean, yes?
>   Can you be more precise, what response entities and which requests you
are referring too? Supposedly GET, or?
>
> - I am not entirely sure whether such things can be constrained - I feel
this is an over-specification that goes
>   beyond HTTP. IOW: I think it is up to the server.
>
>   Can you reword that in a "if you find a link with rel type XY, then
...." fashion?
>
>   @Mark, Julian - what is your take on this?
>
>
> Jan
>
>
>
>
> >
> > If for some reason the same approach can not be followed for the
> > Memento relation types, then I can see two alternatives:
> >
> > (1) Use the version-independent URI of the spec as posted on the
Memento site:
> >
> > http://www.mementoweb.org/guide/rfc/ID/
> >
> > The current version of the Internet Draft is always available from
> > that URI, and the RFC will eventually be available from there too.
> >
> > (2) Use the version-independent URI of the spec in the IETF data
tracker:
> >
> > https://datatracker.ietf.org/doc/draft-vandesompel-memento/
> >
> > Many greetings
> >
> > Herbert
> >
> > On Sun, Mar 17, 2013 at 8:14 AM, Jan Algermissen
> > <[e-mail]> wrote:
> >> Hi Herbert,
> >>
> >> I think we need the reference to be a stable document first. Pointing
to a 06-version does not seem to make much sense, IMO.
> >>
> >> Jan
> >>
> >>
> >> On 04.03.2013, at 01:07, Herbert van de Sompel <[e-mail]>
wrote:
> >>
> >>> Hi all,
> >>>
> >>> I would like to request adding the following Relation Types to the
Registry:
> >>> - "timegate"
> >>> - "timemap"
> >>> - "memento"
> >>> - "original"
> >>>
> >>> These Relation Types are used in Memento "Time Travel for the Web" for
> >>> which a new Internet Draft was just published at
> >>> http://www.ietf.org/id/draft-vandesompel-memento-06.txt
> >>>
> >>> I include the description of each Relation Type below. For
> >>> completeness, I also include the meaning of the terms TimeGate,
> >>> TimeMap, Memento, Original Resource as introduced in the Memento
> >>> specification:
> >>>
> >>>  o  Original Resource: An Original Resource is a resource that
> >>> exists or used to exist, and for which access to one of its prior
> >>> states may be required.
> >>>
> >>>  o  Memento: A Memento for an Original Resource is a resource that
> >>> encapsulates a prior state of the Original Resource.
> >>>
> >>>  o  TimeGate: A TimeGate for an Original Resource is a resource that
> >>> is capable of datetime negotiation to support access to prior states
> >>> of the Original Resource.
> >>>
> >>>  o  TimeMap: A TimeMap for an Original Resource is a resource from
> >>> which a list of URIs of Mementos of the Original Resource is
> >>> available.
> >>>
> >>> Greetings
> >>>
> >>> Herbert Van de Sompel
> >>>
> >>> ==================
> >>>
> >>> Relation Type: timegate
> >>>
> >>> Description: A link with a "timegate" Relation Type is used to point
> >>> from the Original Resource, as well as from a Memento associated with
> >>> the Original Resource, to a TimeGate for the Original Resource.
> >>>
> >>> Reference: http://www.ietf.org/id/draft-vandesompel-memento-06.txt
> >>>
> >>> Notes: Used in the Memento "Time Travel for the Web" framework.
> >>>
> >>> ==================
> >>>
> >>> Relation Type: timemap
> >>>
> >>> Description: A link with a "timemap" Relation Type is used to point
> >>> from a TimeGate or a Memento associated with an Original Resource, as
> >>> well as from the Original Resource itself, to a TimeMap for the
> >>> Original Resource.
> >>>
> >>> Reference: http://www.ietf.org/id/draft-vandesompel-memento-06.txt
> >>>
> >>> Notes: Used in the Memento "Time Travel for the Web" framework.
> >>>
> >>> ==================
> >>>
> >>> Relation Type: memento
> >>>
> >>> Description: A link with a "memento" Relation Type is used to point
> >>> from a TimeGate or a Memento for an Original Resource, as well as from
> >>> the Original Resource itself, to a Memento for the Original Resource.
> >>>
> >>> Reference: http://www.ietf.org/id/draft-vandesompel-memento-06.txt
> >>>
> >>> Notes: Used in the Memento "Time Travel for the Web" framework.
> >>>
> >>> ==================
> >>>
> >>> Relation Type: original
> >>>
> >>> Description: A link with an "original" Relation Type is used to point
> >>> from a TimeGate or a Memento to its associated Original Resource.
> >>>
> >>> Reference: http://www.ietf.org/id/draft-vandesompel-memento-06.txt
> >>>
> >>> Notes: Used in the Memento "Time Travel for the Web" framework.
> >>>
> >>> ==================
> >>>
> >>> --
> >>> Herbert Van de Sompel
> >>> Digital Library Research & Prototyping
> >>> Los Alamos National Laboratory, Research Library
> >>> http://public.lanl.gov/herbertv/
> >>>
> >>> ==
> >>> _______________________________________________
> >>> link-relations mailing list
> >>> [e-mail]
> >>> https://www.ietf.org/mailman/listinfo/link-relations
> >>
> >
> >
> >
> > --
> > Herbert Van de Sompel
> > Digital Library Research & Prototyping
> > Los Alamos National Laboratory, Research Library
> > http://public.lanl.gov/herbertv/
> >
> > ==
>
> _______________________________________________
> link-relations mailing list
> [e-mail]
> https://www.ietf.org/mailman/listinfo/link-relations