PPT Slide

Information Retrieval Techniques

Conclusion

• Current information retrieval techniques cannot give precise results

• Proper indexing and classification problem

• as an intermediate step: KRLs

Difficulties:

• automated extraction of knowledge

• searching through only textual elements

• inproper classification marks

• describing content (all key words or some of them)

• level of relevancy

• more work to apply semantic knowledge and NLP techniques

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