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Multimedia Databases. Ryan Hurd. Types of multimedia data. Text: using a standard language (SGML, HTML) Graphics: encoded in CGM, postscript Images: bitmap, JPEG, MPEG Video: sequenced image data at specified rates Audio: aural recordings in a string of bits in digitized form.

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Presentation Transcript
types of multimedia data
Types of multimedia data
  • Text: using a standard language (SGML, HTML)
  • Graphics: encoded in CGM, postscript
  • Images: bitmap, JPEG, MPEG
  • Video: sequenced image data at specified rates
  • Audio: aural recordings in a string of bits in digitized form
nature of multimedia applications
Nature of Multimedia Applications
  • Repositories: central location for data maintained by DBMS, organized in storage levels
  • Presentations: delivery of audio and video data, temporarily stored, ‘VCR-like functionality’
  • Collaborative: complex design, analyzing data
management issues
Management Issues
  • Modeling: complex objects, wide range of types
  • Design: still in research
  • Storage: representation, compression, buffering during I/O, mapping
  • Queries: techniques need to be modified
  • Performance: physical limitations, parallel processing
research problems
Research Problems
  • Information Retrieval in Queries: Modeling the content of documents
  • Multimedia/Hypermedia Data Modeling and Retrieval: Hyperlinks, Used in WWW
  • Text Retrieval: Use of a thesaurus
multimedia database applications
Multimedia Database Applications
  • Documentation and keeping Records
  • Knowledge distribution
  • Education and Training
  • Marketing, Advertisement, Entertainment, Travel
  • Real-time Control, Monitoring
resources
Resources
  • 4th International Workshop on Multimedia Dataand Document Engineering (MDDE04):http://mdde04.inf.uni-bayreuth.de/
  • MDM/KDD2004Fifth International Workshop on Multimedia Data Mining:http://community.techlabs.accenture.com/MDMKDD2004/Index.html
  • Content-based Multimedia Data Management and Efficient Remote Access:http://www.uky.edu/~kiernan/DL/brent.html
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