Re: Fedora OSID Support

Good idea Jim, count Hull on this

Ian


On 27/4/06 07:39, "Jim Martino" <jrm@xxxxxxx> wrote:

> Jeff,
> Thanks for the clarification. From the flurry of posts on this
> topic, it is clear that there is a lot of complexity (and a lot of
> interest!) on this issue. Chuck's comments about the scope of the work
> required seem on target to me. How would folks feel about getting
> together at the Vancouver conference to discuss/explore future plans,
> possibly a working group on this?
> 
> Jim
> 
> Jeffrey Kahn wrote:
> 
>> Anoop is working on the Fedora support for Tufts VUE.  He can comment
>> on what capabilities are in the implementation.  We plan to include
>> the implementation with VUE 1.5 due out in June.
>> 
>> Jeff Kahn
>> jeffkahn@xxxxxxx
>> (678) 339--0674 (home office)
>> 
>> 
>> On Apr 26, 2006, at 7:53 PM, Jim Martino wrote:
>> 
>>> An interesting variation is the possibility of connecting Sakai to
>>> Fedora through the OKI OSIDs - Jeff Kahn mentioned in a post to
>>> sakai-library (on 4/4) that Anoop Kumar of Tufts is working on a  new
>>> version of an OKI bridge for Fedora. If this bridge were wide  enough
>>> to include all the functionality Sakai needed, these calls  could go
>>> through OKI.  I think this would be a landmark application  of the
>>> OSID philosophy.
>>> 
>>> Jim
>>> 
>>> Glenn R. Golden wrote:
>>> 
>>>> Peter, a JSR-170 approach will not do you any good in Sakai - we
>>>> are  not using that now.
>>>> 
>>>> If you really want Fedora to be the content repository, i.e. the
>>>> attachment helper and resources tool, presentation tool and  anyone
>>>> else using "content" in Sakai ends up there, then you must
>>>> implement  the ContentHostingService API defined in Sakai,
>>>> implemented by calls  to your Fedora, and then replace the impl.  we
>>>> ship with Sakai with  yours.
>>>> 
>>>> - Glenn
>>>> 
>>>> Glenn R. Golden
>>>> Software Architect, University Of Michigan
>>>> ggolden@xxxxxxxxx
>>>> 
>>>> 
>>>> 
>>>> On Apr 26, 2006, at 9:58 AM, Peter Murray wrote:
>>>> 
>>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>>> Hash: SHA1
>>>>> 
>>>>> I'm still working my way around "Sakai-land" (if you will)  seeking
>>>>> the
>>>>> best way to integrate a Fedora-based content repository with Sakai.
>>>>> I've had great conversations with Beth Kirschner from UMich and Ben
>>>>> Brophy from MIT about their efforts.  Our desires differ from those
>>>>> projects, though, in that we seek to make Fedora /the/ content
>>>>> repository for Sakai as opposed to a Sakai search/browse/retrieve/
>>>>> edit
>>>>> tool for Fedora.
>>>>> 
>>>>> I found a year-old document on Confluence with the title "Sakai
>>>>> Repository API Design"
>>>>> (http://bugs.sakaiproject.org/confluence/download/attachments/
>>>>> 2852/ repository-design-v1.doc?version=1).
>>>>> It offers two integration points for the content repository:  a "Rep
>>>>> API" and a "JSR-170 API".  I can find reference to JSR-170 as
>>>>> http://bugs.sakaiproject.org/jira/browse/REQ-210 but not  reference to
>>>>> the Repository API.  Help in navigating the Confluence and  Collab
>>>>> sites
>>>>> would be most welcome.
>>>>> 
>>>>> My thinking on the integration has evolved somewhat over the past  few
>>>>> weeks (starting from the naive notion that providing an
>>>>> implementation
>>>>> for legacy/Entity.java class would be all that is required) to
>>>>> include
>>>>> these possibilities:
>>>>> 
>>>>> * If the "Sakai Repository API Design" document of March 22, 2005,
>>>>> remains accurate, create a JSR-170 shim for Fedora (although, as
>>>>> the author of that document noted, "[Apache] Slide [a JSR-170
>>>>> implementation] will not have explicit support for the Sakai
>>>>> organization structure...needed [for] efficient interrogation
>>>>> of access permissions..."  Bridging access management structures
>>>>> will be a challenge, although I'm hoping (perhaps, again, naively
>>>>> so) that n-tier Shibboleth will help along these lines.
>>>>> 
>>>>> * A Fedora shim that mimics the "Enterprise Repository
>>>>> Implementation"
>>>>> in the design document.
>>>>> 
>>>>> * Or, most radically and improbable, an implementation of Hibernate
>>>>> over Fedora -- e.g., a object-relational-object storage structure.
>>>>> 
>>>>> I'd like to try to firm up the possibilities within the next few
>>>>> days so
>>>>> as to include them on OhioLINK's Google Summer of Code idea list for
>>>>> developing proofs-of-concepts (if not actual robust  implementations).
>>>>> (That list may have to include a suggestion for the JSR-170-to-Sakai
>>>>> shim, if that doesn't already exist...and judging from the Jira
>>>>> issue it
>>>>> doesn't.)  Students will begin submitting applications on  Monday,
>>>>> so it
>>>>> would be best if I can get it described by Friday.
>>>>> 
>>>>> 
>>>>> Thoughts?
>>>>> 
>>>>> Peter
>>>>> - --
>>>>> Peter Murray                       http://www.pandc.org/peter/work/
>>>>> Assistant Director, Multimedia Systems  tel:+1-614-728-3600;ext=338
>>>>> OhioLINK: the Ohio Library and Information Network   Columbus, Ohio
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>>>>> 
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--
Ian Dolphin
Head of eStrategy & eServices Integration
The University of Hull

http://www.hull.ac.uk/esig/

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