- From: Martin May <maym@foobar.lu>
- Date: Mon, 27 Oct 2003 19:13:37 +0000
- To: Rahul Singh <kingtiny@cs.cmu.edu>
- Cc: www-rdf-interest@w3.org
Yes, I actually looked at XMP, and it seems that they are using method #3 (please correct me if I'm wrong). IMHO the drawback of not being able to store metadata in a generic way and having to write custom adaptors for every file type is quite a big one. On top of that, some file types don't support embedded metadata at all. I was hoping that somebody would know of some alternatives to the ones that I presented or know of methods to overcome the drawbacks. Thanks, Martin On 27 Oct 2003, at 18:43, Rahul Singh wrote: > Have you looked at Adobe XMP? > > http://www.adobe.com/products/xmp/main.html > > Cheers, > > Rahul > > Martin May wrote: > >> >> >> I would like to attach RDF metadata to files. So far I have >> identified the following options for doing so, all of which have >> drawbacks: >> >> 1. given a file foo.pdf, store the metadata in a file foo.pdf.rdf in >> the same directory >> >> Main drawbacks: >> >> - if the file is moved or renamed, the metadata must be moved with it >> >> 2. store the metadata in a central repository, with a link (URI) to >> the file >> >> Main drawbacks: >> >> - again, if the file is moved or renamed, the link becomes invalid >> - requires a central repository >> >> 3. embed the metadata in the file format >> >> Main drawbacks: >> >> - doesn't work with every file type >> - different handling for each file type required >> >> 4. create an archive file which groups the file and its metadata >> (e.g. jar) >> >> Main drawbacks: >> >> - requires unpackaging and repackaging every time the file needs to >> be accessed >> >> Does anybody have any insights or ideas on how to improve the >> suggested methods, or provide me with other alternatives? >> >> Best regards, >> >> Martin May >> University of Aberdeen >> >> >
Received on Monday, 27 October 2003 14:13:27 UTC