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Information Systems & Semantic Web University of Koblenz ▪ Landau, Germany General Chairs Dietrich Paulus Steffen Staab SAMT 2008 Semantics and Digital.

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Presentation on theme: "Information Systems & Semantic Web University of Koblenz ▪ Landau, Germany General Chairs Dietrich Paulus Steffen Staab SAMT 2008 Semantics and Digital."— Presentation transcript:

1 Information Systems & Semantic Web University of Koblenz ▪ Landau, Germany General Chairs Dietrich Paulus Steffen Staab SAMT 2008 Semantics and Digital Media Technology Koblenz, December 3-5, 2008 http://samt2008.uni-koblenz.de PC Chairs Lynda Hardman Alex Hauptmann Nadia Magnenat-Thalman

2 Information Systems & Semantic Web University of Koblenz ▪ Landau, Germany Semantic Web as a Knowledge Infrastructure for Multimedia Steffen Staab

3 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 3 of 28 Depict ISWeb People! Context is missing! Precision 12/12 Recall 12/19 (FTE)  12/33 (all) 

4 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 4 of 28 Depict ISWeb People! There is a picture of ISWeb in 2006 in the Wiki!

5 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 5 of 28 Depict ISWeb People! Some more ISWeb members you find on our Web page!

6 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 6 of 28 Depict ISWeb People! Outside of our Web Site you may also discover current members…

7 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 7 of 28 Depict ISWeb People! For others, you need to integrate information from the Web and from Word documents of my mailbox

8 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 8 of 28 Knowledge Infrastructure A Multimedia objects exist in an environment. This environment (context) can and should be used to find, access and present the objects. Knowledge about Multimedia Objects exists in an environment, too. This knowledge infrastructure can and should be used to find, access and present the objects. Well, known in the multimedia field Little explored until now

9 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 9 of 28 Structure of the Environment  Knowledge in Portal  Knowledge in File System  Knowledge in Wiki  Knowledge in Outside Service  Knowledge in Mailbox

10 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 10 of 28 Structure of the Environment 1.Collect or Access 2.Harvest/Query Knowledge 3.Collect & Organize Knowledge 4.Use Knowledge

11 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 11 of 28 What does the Knowledge Infrastructure need? 1.Ontologies  Multimedia Ontologies  Context Ontologies  Domain Ontologies 2.APIs 3.Querying and reasoning

12 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 12 of 28 How to structure this knowledge? PersonRegion

13 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 13 of 28 Scenario The "ISWeb" at Bad Kreuznach (team web page)ISWeb Localize a region (person) Annotate the content (interpretation) Carsten Saathoff, aceMedia Project lead, ISWeb, Semantic Multimedia, KAT Annotation Tool Link to knowledge on the Web :Reg1 foaf:depicts kodemaniak:me kodemaniak:me rdfs:label “Carsten Saathoff" kodemaniak:me rdf:type foaf:Person Reg1 Summer School Semantic Web-05 (video)video

14 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 14 of 28 Problem The "ISWeb" at Bad Kreuznach (team web page)ISWeb Summer School Semantic Web-05 (video)video Seq1 Seq4 Multimedia objects are complex  Compound information objects, fragment identification Semantic annotation  Subjective interpretation, context dependent Linked data principle  Open to reuse existing knowledge  Multimedia O  Domain O  Context O Reg1

15 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 15 of 28 Reg1 Example: Fragment Identification with COMM http://isweb.uni-koblenz.de/ People/isweb-2007.jpg core:image-data http://en.wikipedia.org/wiki/ Image:Yalta_Conference.jpg loc:spatial-mask- role 5 25 10 20 15 15 10 10 5 15"^^xsd:string dns:realized-by loc:region- locator-descriptor loc:bounding-box dns:plays dns:played-by dns:defines data:has-rectangle http://isweb.uni-koblenz.de/ People/isweb-2007.jpg

16 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 16 of 28 Example: Region Annotation with COMM Reg1 http://isweb.uni-koblenz.de/ People/isweb-2007.jpg http://kodemaniak.de/ foaf.rdf#me What is important here, is what you don‘t see!

17 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 17 of 28 No am Stef fen “I apply for this position. Here is my cover letter and CV... ” Bercovici.pdf Mrs. Wer ger Bercovici.pdf “Please prepare papers for his hire, Mrs. Werger“ “Thanks for your application and here is some information about the NeOn project…” Colleagues Another Scenario...

18 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 18 of 28 … Contextualized Information Metadata from contexts other than file browsing is not available, we cannot  inspect conversations in which a file took part  find out about the web page from which it was downloaded  view the event description for which it was created  see the task it is associated with (as input or output) Bercovici.pdf No am “I apply for this position. Here is my cover letter and CV...” Colleagues Context of multimedia information is lost

19 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 19 of 28 … Communicating VoIP Stef fen No am Communication Context of multimedia information is lost

20 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 20 of 28 …classifying information… Classification of multimedia information is lost

21 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 21 of 28 Descriptions and Situations X-COSIM Ontology Sharing, Arguing, Explaining Filing, Downloading, Modifying, Converting Structuring, Summarizing, User-defined Ontologies Creating, Reusing, Copy & Paste

22 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 22 of 28 DOLCE for Developers of E-mail Clients? Particular Endurant Perdurant Abstract Quality Description Situation // Create realization metadata for bikeImage: // Storage on harddisk, Format jpeg FileSystemRealization bikeImageRealization = new FileSystemRealization( bikeImage, new File(new URI("file:/myPics/bikeImage.jpg")), RealModule.I_jpeg); email.addAttachment(bikeImageRealizatio n); // Create some addresses and agents carsten and thomas Address addressCarsten = new Address("saathoff@uni- koblenz.de"); Agent carsten = new Agent(addressCarsten); Address addressThomas = new Address("franz@uni- koblenz.de"); Agent thomas = new Agent(addressThomas); // Create an information object representing the information given by some image InformationObject bikeImage = new InformationObject("bikeImage"); X-COSIMA SPARQLRDF API RDF Store X-COSIMO File Manager, Browser, Mail Client, Task Manager, Text Processor,... Dublin Core, Calendar, Foaf,... Reference Model, Storage Apps, Domain Models Data Access, Mapping Map between contextualized representations and the reference model X-COSIM Architecture

23 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 23 of 28 Resulting Meta Data Classification Aspect Realization Aspects Communication Aspect Process Aspects No am Stef fen Noam

24 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 24 of 28 What does the Knowledge Infrastructure need? 1.Ontologies  Multimedia Ontologies  Context Ontologies  Domain Ontologies 2.APIs 3.Querying and reasoning Jump to end

25 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 25 of 28 Where are these metadata? Process Aspects No am Stef fen Nasir Email MMDB Server

26 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 26 of 28 Federation of Knowledge Nasir

27 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 27 of 28 :NasirFOAF { :NasirFOAF dc:creator :Nasir. :Nasir :depictIn http://nas.jpg.} :ISWebWiki { kodemaniak:me :member :ISWeb. Kodemaniak:me :depictIn :WikiImg1. :ISWeb :depictIn http://..wiki1.jpg.} Networked Graphs :ISWebFOAF g:definedBy „CONSTRUCT {?X :depictIn...“. } :ISWebFOAF { :ISWeb foaf:name „Info Syst…“. :ISWeb :member :Nasir. :ISWeb :depictIn http://..wiki1.jpg. Images of team members depict part of the group :ISWeb :depictIn http://nas.jpg. Copy images that depict ISWeb

28 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 28 of 28 :NasirFOAF { :NasirFOAF dc:creator :Nasir. :Nasir :depictIn http://nas.jpg.} :ISWebWiki { kodemaniak:me :member :ISWeb. Kodemaniak:me :depictIn :WikiImg1. :ISWeb :depictIn http://..wiki1.jpg.} Meta Knowledge :ISWeb :depictIn http://nas.jpg. :ISWeb :depictIn http://..wiki1.jpg. :ISWebFOAF { :ISWeb foaf:name „Info Syst…“. :ISWeb :member :Nasir. :ISWebFOAFMeta { :ISWebFOAF provenance :NasirFOAF. :ISWebFOAF provenance :ISWebWiki. }

29 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 29 of 28 Take home message  Knowledge Structures of Multimedia  Knowledge Infrastructure  Knowledge Capture Semantic Web ties them together Some first steps are done:  Standardization of Semantic Weblanguages  RDF carried along with some media: RDF in PDF, RDF-A in Open Document Format Interesting Issues:  Standardization of generic protocols  Management of heterogeneity of data, applications and services  Mixed systems of reasoning and low level extraction  ….

30 ISWeb - Information Systems & Semantic Web Steffen Staab staab@uni-koblenz.de MMKM 30 of 28 Systems & Literature  COMM Ontology & API: http://comm.semanticweb.org/ http://comm.semanticweb.org/  X-Cosim Ontology & API: http://isweb.uni-koblenz.de/Research/x-cosim http://isweb.uni-koblenz.de/Research/x-cosim  Networked graphs: http://isweb.uni-koblenz.de/Research/NetworkedGraphs http://isweb.uni-koblenz.de/Research/NetworkedGraphs  Querying for meta knowledge: http://isweb.uni-koblenz.de/Research/MetaKnowledge http://isweb.uni-koblenz.de/Research/MetaKnowledge  Distributed querying: http://isweb.uni-koblenz.de/Research/DistributedSPARQL http://isweb.uni-koblenz.de/Research/DistributedSPARQL ISWC-2007 K-Cap-2007 WWW-2008a WWW-2008b …to be written…

31 Information Systems & Semantic Web University of Koblenz ▪ Landau, Germany Thank You!

32 Information Systems & Semantic Web University of Koblenz ▪ Landau, Germany General Chairs Dietrich Paulus Steffen Staab SAMT 2008 Semantics and Digital Media Technology Koblenz, December 3-5, 2008 http://samt2008.uni-koblenz.de PC Chairs Lynda Hardman Alex Hauptmann Nadia Magnenat-Thalman

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