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Supporting the learning process through Knowledge Based Systems

Supporting the learning process through Knowledge Based Systems. Petros Belsis (Aegean Univ., TEI of Athens ) pbelsis@aegean.gr Dr. Ioannis Chalaris (TEI of Athens) ixalaris@teiath.gr Apostolos Malatras (Univ. of Surrey, London)

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Supporting the learning process through Knowledge Based Systems

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  1. Supporting the learning process through Knowledge Based Systems • Petros Belsis (Aegean Univ., TEI of Athens ) pbelsis@aegean.gr • Dr. Ioannis Chalaris (TEI of Athens) ixalaris@teiath.gr • Apostolos Malatras (Univ. of Surrey, London) • Ioannis Dracopoulos (Athens Univ. of Economics & Business, Ilyda Corp. )

  2. Introduction • Aims • Problem statement • Knowledge reusability • Explicit knowledge reuse (ex. Docs) • Tacit knowledge exploitation (ex. Experienced people’s opinions)

  3. What is knowledge? Data InformationKnowledge • Questions to be answered • Where is knowledge located? • How can it be better exploited through technology means? • Benefits from Knowledge Based Systems (Skyrme at el., 1997) • Quick responding to changes • Innovation • Effectiveness

  4. Knowledge Transformation Process (Nonaka, 1994) Tacit Knowledge To Explicit Knowledge Tacit Knowledge From Explicit Knowledge

  5. Knowledge Diffusion - Spiralmodel (Nonaka, 1994)

  6. Famous case studies (Davenport et al., 2001) • Ernst & Young • Microsoft • HP • Activities concerning knowledge reuse • Personalization: Knowledge sharing through person to person communication • Codification: Knowledge capture and storage in repositories • Discovery: Knowledge extraction from databases or the Internet

  7. A prototype architecture

  8. Repository Administration utility

  9. Asynchronous communication application (1)

  10. Asynchronous communication application (2)

  11. A brief overview of JMF

  12. JMF Based Synchronous communication tool (1)

  13. JMF Based Synchronous communication tool (2)

  14. Current – (Recent) Future work • Enhancing repository administration with advanced search capabilities • Integrating video streaming to the synchronous capability through distributed video servers

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