Retrieval-Augmented Generation on 1,000 Real User Queries 1.0 (full set)
4.404COOracle
Evaluation results
| Method | Links | |||
|---|---|---|---|---|
| OracleWorkflow=Oracle2026.05 | 4.404 | 4.94 | — | |
| HyDEWorkflow=Tier 2: LLM-Augmented, Method=Hypothetical doc. embedding, Latency=96s2026.05 | 3.944 | 4.407 | 86.4 | |
| QE-CEWorkflow=Tier 2: LLM-Augmented, Method=LLM expansion + CE rerank, Latency=60s2026.05 | 3.601 | 4.338 | 77.9 | |
| HybridWorkflow=Tier 1: Retrieval-Only, Method=BM25 + Dense + RRF, Latency=37s2026.05 | 3.408 | 4.335 | 72.2 | |
| Semantic-CEWorkflow=Tier 1: Retrieval-Only, Method=Dense + CE rerank, Latency=33s2026.05 | 3.086 | 4.321 | 62.8 | |
| SemanticWorkflow=Tier 1: Retrieval-Only, Method=Dense vector search, Latency=33s2026.05 | 3.058 | 4.287 | 62.6 |