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Semantic processing of multimedia data by MPEG-7 for capacious knowledge management
 

Semantic processing of multimedia data by MPEG-7 for capacious knowledge management

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Marc Spaniol, Ralf Klamma, Matthias Jarke

Marc Spaniol, Ralf Klamma, Matthias Jarke
Sofsem 2002
Workshop on Multimedia Semantics
Milovy, 29th of November 2002

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    Semantic processing of multimedia data by MPEG-7 for capacious knowledge management Semantic processing of multimedia data by MPEG-7 for capacious knowledge management Presentation Transcript

    • Semantic processing of multimedia data by MPEG-7 for capacious knowledge management Marc Spaniol, Ralf Klamma, Matthias Jarke RWTH Aachen Milovy, 29 th of November Workshop on Multimedia Semantics
    • Agenda
      • Multimedia knowledge creation
      • Framework of community-centred knowledge management
        • Transcription
        • Addressing
        • Localization
      • Semantic knowledge management by XML and MPEG-7
      • The Virtual Entrepreneurship Lab (VEL)
      • Conclusion & Outlook
    • Knowledge creation process
      • Making implicit knowledge
      • explicit (Externalization)
      • Management of
      • explicit data
      • (Combination)
      • Retrieval of
      • explicit knowledge
      • (Internalization)
      • Sharing of
      • implicit knowledge
      • (Socialization)
      •  There is no media free knowledge  (Multi) media semantics?
      •  Knowledge Management = Multimedia Management + Ontologies
      Externalization Internalization implicit explicit implicit explicit Combination Socialization The Knowledge-Creating Company [Nonaka, Takeuchi 95]
    • How to transfer media dependent knowledge?
      • Multimedia Concepts
      • Explanation of activities
      • Media versatility
      • Unspecified information
      • Sample creation
      • Learning by doing
      • Ontologies
      • Abstraction of information
      • Strict classification and categorization of data
      • Modeling of data sources and information types
      • Creation of domain specific structures
      • Predefined data structures
    • Analysis of knowledge management concepts  Goal: Combining their benefits by simultaneously reducing their deficits
    • Knowledge creation framework: Transcription - Addressing - Localization
      • New computer science approach:
      • Combination of ontologies
      • and multimedia concepts
      •  Supporting Transcription
      • by (re-) combination of
      • transcription tools
      •  Stabilization Addressing
      •  Optimizing Localization
      • Testing in an interdisciplinary
      • collaborative research center
      Externalization Internalization implicit explicit implicit explicit Combination Socialization The Knowledge-Creating Company [Nonaka, Takeuchi 95] Transcribing – Media/Reading [Jäger, Stanitzek 02] Signals of disturbance [Kümmel, Schüttpelz 02] Multimedia Concepts Ontologies
    • Semantics in community multimedia
    • Structural and content based KM with XML and MPEG-7 Basis Schema- Links&Media Basic Basic Tools Localization Tools datatypes XML MPEG-7 [IEEE 02] User interaction User preferences Usage History Navigation & Access Index Views Variations Content organization Collections Models Creation & Production Content Management Media Usage Content description Structural aspects Semantic aspects
      • < Mpeg7 >
      • ...
      • < ContentDescription xsi:type =&quot; ContentEntityType &quot;>
      • < MultimediaContent xsi:type =&quot; VideoType &quot;>
      • ...
      • < VideoSegment id =&quot; seg1 &quot;>
      • < TextAnnotation type =&quot; Question &quot;>
      • question
      • </ TextAnnotation >
      • < TextAnnotation type =&quot; Categories &quot;>
      • related categories
      • </ TextAnnotation >
      • < TextAnnotation type =&quot; Phases &quot;> phases of an entrepreneurship
      • </ TextAnnotation >
      • < TextAnnotation type =&quot; Persons &quot;>
      • founder
      • </ TextAnnotation >
      • < TextAnnotation type =&quot; Companies &quot;>
      • company name
      • </ TextAnnotation >
      • < MediaTime >
      • starting and ending point of the medium
      • </ MediaTime > </ VideoSegment >
      • ...
      • </ MultimediaContent >
      • </ ContentDescription >
      • ...
      • </ Mpeg7 >
      Structuring of heterogenous Data data XML 3-dimensional Categorization Multimedia Information Additional Information
      • < Mpeg7 >
      • < DescriptionMetadata id =&quot; Kais Rolle &quot;>
      • general information about the document
      • </ DescriptionMetadata >
      • < ContentDescription xsi:type =&quot; ContentEntityType &quot;>
      • < MultimediaContent xsi:type =&quot; MultimediaCollectionType &quot;>
      • < ContentCollection name =&quot; Kais Rolle ”>
      • < TextAnnotation >
      • Collection type (public/private)
      • </ TextAnnotation >
      • < Content xsi:type =&quot; ImageType &quot;>
      • Medium, technical Data, Annotations
      • </ Content >
      • < Content xsi:type =&quot; VideoType &quot;>
      • ---
      • </ Content >
      • </ ContentCollection >
      • </ MultimediaContent >
      • </ ContentDescription >
      • < ContentManagement xsi:type =&quot; UserDescriptionType &quot;>
      • user management
      • </ ContentManagement >
      • </ Mpeg7 >
      Content and context description by MPEG-7 Multimedia Information Transcription Addressing
    • Case study: Didactic concept of VEL
      • Hypermedia learning environment
      • Extensive, close to reality media material
      • Explorative, non-linear learning
      • Context dependent presentation
      • Repeated considerations due to context changes
      • Learning structure:
        • Student = explorer
        • Teacher = consultant, mentor
      • Public / private collections
      • Users‘ annotations
    • Virtual Entrepreneurship Lab (VEL)
      • MPEG-7 helps to overcome gap between
      • Multimedia Concepts and Ontologies
      • Combining loose characterization and generic classification
      • with domain modeling and categorization
      • Research on personalization and adaptive user interfaces
      • Current projects at : i5
      • SOCRATES: Chat/Talk-tool for aphasics self help groups
      • MARS: Electronic music analysis tool
      • MECCA : Virtual movie archive for cinematic scientists
      •  Covering multimedia semantics by MPEG-7
      •  Personalized multimedia addressing
      Conclusion & Outlook
    • Contact
      • mspaniol @ cs . rwth - aachen .de
      • klamma @ cs . rwth - aachen .de
      • jarke @ cs . rwth - achen .de
      www.graeculus.de