関連キーワード
1. Information retrieval
2. Advancements
3. Challenges
4. Comprehensive review
5. Search engines
6. Retrieval models
7. Query processing
8. Ranking algorithms
9. Machine learning
10. Natural language processing
11. User behavior
12. Web crawling
13. Text mining
14. Document clustering
15. Evaluation metrics
16. Relevance feedback
17. User interface design
18. Big data
19. Semantic search
20. Recommendation systems
21. Personalization
22. Privacy concerns
23. Information filtering
24. Cross-lingual retrieval
25. Multimodal retrieval
26. Information extraction
27. Data integration
28. Information organization
29. Scalability
30. User satisfaction