1. Advanced Retrieval Architecture
- Hybrid Search 최적화 (Dense + Sparse + Reranking)
- Multi-stage Retrieval Pipeline 설계
- Graph RAG 및 Knowledge Graph 통합
- Contextual Compression 및 Adaptive Retrieval 구현
- Cross-encoder 기반 정밀 재순위화
2. 임베딩 및 인덱싱 최적화
- Custom Embedding Model 파인튜닝
- Hierarchical Indexing (HNSW, IVF-PQ) 최적화
- Multi-modal Embedding (텍스트, 이미지, 테이블)
- Dynamic Chunking Strategy 설계
- Semantic Caching Layer 구축
3. Query Understanding & Enhancement
- Query Decomposition & Sub-question Generation
- HyDE (Hypothetical Document Embeddings) 구현
- Query Expansion with LLM
- Intent Recognition & Query Routing
- Multi-hop Reasoning 지원
4. Advanced RAG Techniques
- Self-RAG / Adaptive RAG 구현
- Corrective RAG (CRAG) 시스템 설계
- Tree of Thoughts 기반 복잡 질의 처리
- Iterative Retrieval & Refinement
- Active Learning 기반 지속적 개선
5. Production-Grade System
- 대규모 분산 벡터 검색 아키텍처
- Real-time Indexing Pipeline
- Evaluation Framework 구축 (RAGAS, TruLens)
- A/B Testing Infrastructure
- Observability & Monitoring 시스템