Sorry, forgot the attachment. Anyway, here it is... 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 On Oct 17, 2005, at 7:51 PM, Christian Halaschek-Wiener wrote: > Hi Nikolaos, > Jacco has asked me to sketch a brief overview of a potential > solution for the NASA use case using PhotoStuff. Maybe this will > help in your tool evalution, etc... > > Anyway as I stated in my previous email (which included a high > level solution to the NASA use case), we can use PhotoStuff to > provide the RDF/XML annotations of image content. Essentially, > users can load images and ontologies into the tool and markup the > images (and/or its regions) as they wish. In a previous email, I > referred you to the following sample image residing at http:// > grin.hq.nasa.gov/IMAGES/SMALL/GPN-2000-001171.jpg. Lets assume that > we would want to assert the the image depicts the Apollo 7 launch. > Also assume that want to say that the Apollo 7 Saturn IB space > vehicle is depicted in a rectangular region around the rocket. We > also want to assert that the image was taken on 11/11/1968 and was > created by NASA; we can then state that the image was taken at > Kennedy Space Center in Florida. Lastly, we can assert that the > image is 451x640 (width x height in pixels). This type of image > annotation can be provided by PhotoStuff. The image can be loaded > into the tool, as well as any number of related ontologies. Let > assume that we will use the following space related ontologies: > Shuttle related > http://semspace.mindswap.org/2004/ontologies/ShuttleMission- > ont.owl > > Space Vehicle System related > http://semspace.mindswap.org/2004/ontologies/System-ont.owl > > > These ontologies and the image into PhotoStuff, by simply typing > the URLs into the address bar. Then the user proceed to markup the > image. I have performed the annotations required above. I will > avoid detailing the steps necessary for accomplishing this...refer > to [1] for a user guide. > > The resulting RDF/XML annotations are attached to this document. > Image depictions are asserted via a depiction property (a sub- > property of foaf:depiction) defined in the MINDSWAP Digital Media > ontology [2]. Thus image regions can be semantically linked to > existing or newly created instances defined on the Web. The image > regions are defined via a property named svgOutline. Essentially > SVG outlines (SVG XML literals) of the regions are specified using > this property. Thus PhotoStuff (and any advanced metadata browsing > environments intended to be used to browse the annotations, etc.) > displays the image regions based on the SVG outlines defined using > this property. Anyway, the rest is fairly straight forward. Please > let me know if you have any further questions. > > The resulting metadata produced from such annotation sessions can > then be shared, indexed, and used by advanced annotation-based > browsing (and searchable) environments. > > I think thats about it. Let me know if you need any clarifications, > etc. > > > > Cheers, > Chris > > > References > > [1] PhotoStuff User Guide. Available at: http://www.mindswap.org/ > 2003/PhotoStuff/UserGuide.pdf > [2] MINDSWAP Digital Media Ontology. Available at: http:// > www.mindswap.org/2005/owl/digital-media > > > > > -- > 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, 18 October 2005 00:16:13 GMT
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