Conclusion
 
 
- Semantic Web provides promising way for providing relevant knowledge
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- Appropriate granularity
- Personalized presentation
- Task- and location-aware
 
- Reduce overhead of Ö
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- building up and 
- maintaining KM applications=> most critical success factor for real-life applications      (IT aspect)
 
- Reduce centralization caused by ontology-based  approaches
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- Use multiple ontologies
- Combine top-down and bottom-up approaches for ontology construction and learning
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