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Subject: Fwd: W3C TAG Questions on Draft #2 of XRI Resolution V 2.0
Begin forwarded message: > Resent-From: www-tag@w3.org > From: noah_mendelsohn@us.ibm.com > Date: February 1, 2008 2:04:22 PM EST > To: xri-comment@lists.oasis-open.org > Subject: W3C TAG Questions on Draft #2 of XRI Resolution V 2.0 > > > I am writing on behalf of the World Wide Web Consortium Technical > Architecture Group (TAG). The purpose of this note is to pose to > you some > questions that arose during our discussion of "Committee draft 2 of > Extensible Resource Identifier (XRI) Resolution Version 2.0" [1]. > It is > possible that the TAG would later wish to offer some comments and > suggestions regarding XRI and its relationship to the architecture > of the > Web, but first we feel we need to better understand the intended > uses of > XRI. We apologise for engaging in reviewing your work so late, and we > hope and trust that you will remain open to further questions and > comment > from us as our review progresses. > > We would very much appreciate it if you could clarify whether we > have read > the XRI Resolution specification correctly in inferring that: > > 1) All access to resources identified by XRIs > require (at least) two round trips, the > first to retrieve metadata (XRDS, XRD or > uri list) and the second to retrieve > (a representation of) the resource itself? > > 2) HTTP content negotiation can be used in > requests for XRIs to force either metadata > return or redirection to actual resource > representations? > > 3) Relative XRIs are of course allowed in the > normal way when a full-form XRI has been > established as the base URI. Are they also > allowed _without_ any full-form XRI as a > base URI? That is, for example, is "=henry" > intended to be recognize as an XRI in the > absence of any base URI? If so, what is > being done to ensure that both now and in > the future, the syntax of such abbreviated > XRIs is coordinated with (I.e. remains > disjoint from) the syntax of both absolute > and relative URIs that might be used in the > same contexts? > > Also, could you let us know what steps, if any, you have taken towards > registration of 'xri' as a URI scheme with the IETF? > > Thank you very much for your attention to these questions. > > (Note that this email has been bcc:'d to the www-tag@w3.org public > mailing > list. bcc: has been used to avoid the problems inherent in email > threads > that are cross posted on multiple lists. Please note, however, that > members of the TAG and many members of the community who work with > us are > unlikely to monitor responses sent only to the xri-comments list. > Accordingly, if you wish correspondence to be seen by the TAG, we > encourge > you to send it to the www-tag@w3.org list.) > > Noah Mendelsohn > For the World Wide Web Consortium Technical Architecture Group (TAG) > > [1] > http://docs.oasis-open.org/xri/2.0/specs/cd02/xri-resolution-V2.0- > cd-02.html > > > > -------------------------------------- > Noah Mendelsohn > IBM Corporation > One Rogers Street > Cambridge, MA 02142 > 1-617-693-4036 > -------------------------------------- > > > > >
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