- From: (unknown charset) Libby Miller <libby@asemantics.com>
- Date: Tue, 17 Jan 2006 09:41:01 -0800 (PST)
- To: (unknown charset) "Uschold, Michael F" <michael.f.uschold@boeing.com>
- cc: (unknown charset) Christian Halaschek-Wiener <halasche@cs.umd.edu>, Jacco van Ossenbruggen <Jacco.van.Ossenbruggen@cwi.nl>, Giorgos Stamou <gstam@softlab.ntua.gr>, Vassilis Tzouvaras <tzouvaras@image.ntua.gr>, Jeff Pan <Jeff.Pan@manchester.ac.uk>, Raphaël Troncy <Raphael.Troncy@cwi.nl>, SWBPD list <public-swbp-wg@w3.org>
On Tue, 17 Jan 2006, Uschold, Michael F wrote: > A good start would be to identify some use cases where having EXIF translated into RDF is useful. Playing devil's advocate, one can say it is just a trivial syntactic translation of one format to the other. What services can be supported once it is in RDF? Give examples. > > Mike > > > ________________________________ > > From: Christian Halaschek-Wiener [mailto:halasche@cs.umd.edu] > Sent: Tuesday, January 17, 2006 4:52 PM > To: Jacco van Ossenbruggen; Giorgos Stamou; Vassilis Tzouvaras; Jeff Pan; Raphaël Troncy > Cc: SWBPD list > Subject: [MM] Status update for 2nd deliverable... > > > Hi, > > I wanted to give you all some status on the EXIF section I'm working on for the 2nd deliverable. > > After looking around, I found that there are two EXIF ontologies (RDFS) currently publicly available. These include > 1) http://www.w3.org/2003/12/exif/ > - this is develped by Kanzaki.com and was moved to a W3C site a while back. > - it is also the one we use in PhotoStuff just fyi, Kanzaki's was put on the w3c site after it won an rdf/exif 'beauty contest', since there were several schemas about. http://www.google.co.uk/search?q=exif+%27beauty+contest%27&start=0&ie=utf-8&oe=utf-8 Libby > > 2) http://nwalsh.com/rdf/ > - develped by Norm Walsh > > Semantically both are very similar..they are essentially straightforward encodings of the EXIF metadata tags for images (see http://www.exif.org/Exif2-2.PDF). There are some syntactic differences, but again they are quite similar. > > Both developers provide an EXIF conversion service: > 1) Kanzaki - http://www.kanzaki.com/test/exif2rdf > - It is essentially a simple web page, in which you can paste and image URL to an EXIF image and it will extract the EXIF metadata and convert it to RDF. > > 2) Norm Walsh - http://www.nwalsh.com/java/jpegrdf/ > - He provides a Java program that among other things, will read an EXIF image and covert the metadata to RDF > > I haven't yet compared the output of the converters in detail yet, however upon first glance they seem similar. > > As a side note, I also came across http://jigsaw.w3.org/rdfpic/ which will embed RDF in the EXIF header of JPEG files. > > So, given this, I have a question...exactly how do we want to proceed and exactly what do we want to show in the 2nd deliverable. Any feedback would be great. > > Cheers, > Chris > > > > > -- > > Christian Halaschek-Wiener > > PhD Student, Dept. of Computer Science > > GRA, MINDSWAP Research Group, > > University of Maryland, College Park > > Web page: http://www.mindswap.org/~chris > > > >
Received on Tuesday, 17 January 2006 17:41:14 UTC