関連キーワード
1. Information retrieval
2. Advancements
3. Challenges
4. Comprehensive review
5. Search engines
6. Ranking algorithms
7. User query
8. Document indexing
9. Information retrieval models
10. Relevance feedback
11. Query expansion
12. Query reformulation
13. Retrieval performance
14. Precision and recall
15. User interaction
16. Personalized search
17. Web search
18. Text mining
19. Natural language processing
20. Machine learning
21. Cross-lingual information retrieval
22. Multilingual retrieval
23. Evaluation measures
24. Retrieval evaluation benchmarks
25. Information retrieval systems
26. Big data retrieval
27. Scalable retrieval algorithms
28. Semantic search
29. Context-aware retrieval
30. Information access