- From: Sergio Fernández <sergio.fernandez@salzburgresearch.at>
- Date: Wed, 19 Dec 2012 15:56:28 +0100
- To: Henry Story <henry.story@bblfish.net>
- CC: public-ldp-wg@w3.org
Hi Henry, the Linked Media Principles should be relevant to ISSUE-15 regarding where is called "content" there: http://code.google.com/p/lmf/wiki/PrinciplesLinkedMedia Best, Sergio On 19/12/12 11:45, Henry Story wrote: > There are a few paragraphs in the current spec ( http://www.w3.org/2012/ldp/hg/ldp.html ) > which seem to need a bit of clarification, relating to ISSUE-15 probably. I am just noting > it here, as I am thinking about this right now, and noticed these. > It is also related to use cases 4.8 and 4.8.1 of the UCR > http://www.w3.org/2012/ldp/hg/ldp-ucr.html#uc-manage_media_resources > > > Definition: > [[ > Linked Data Platform Resource (LDPR) > HTTP resource that conforms to the simple lifecycle patterns and conventions in this document. > ]] > > So presumably resources that can be created in a collection and that get deleted > when a collection gets deleted. If we add images to a collection, are they then LDPRs? > > [[ > 4.1.3 LDPR servers may host a mixture of LDPRs and non-LDPRs. For example, it is common for LDPR servers to need to host binary or text resources that do not have useful RDF representations. > ]] > > This seems to suggest that LDPRs cannot be binaries. > > [[ > 4.2.2 LDPR servers must provide an text/turtle representation of the requested LDPR. > ]] > > If one were to create a picture, would this say that one MUST return turtle for it by default? > That would not be completely silly it could be a representation of the picture that said > something like: > > ------------------------------ > @prefix iana:<http://www.iana.org/assignments/relation/> . > @prefifx foaf<http://xmlns.com/foaf/0.1/> . > @prefix awol:<http://bblfish.net/work/atom-owl/2006-06-06/#> . > > <> a foaf:Picture; > foaf:depicts joe, jack, jane; > iana:alternate<image.jpg>,<image.gif> . > > <image.jpg> awol:type "image/jpeg" . > <image.gif> awol:type "image/gif" . > -------------------------------- > > But that still leaves the question what happens if one GETs<image.jpg> > without an image/* mime type. Does one get a redirect to the previous > metadata file served as Turtle? Or does the server just return the image? > > And if one deletes the collection, does<image.jpg> not also get deleted? > > Henry > > A short message from my sponsors: Vive la France! > Social Web Architect > http://bblfish.net/ > -- Sergio Fernández Salzburg Research +43 662 2288 318 Jakob-Haringer Strasse 5/II A-5020 Salzburg (Austria) http://www.salzburgresearch.at
Received on Wednesday, 19 December 2012 14:57:12 UTC