Defense against planning-layer poisoning on DeepResearch Bench 10-query
38.5PRISM (%)No Defense
Evaluation Results
| Method | Links | |||
|---|---|---|---|---|
| No DefenseLayer=—2026.07 | 38.5 | — | 0.5 | |
| PPL FilteringLayer=Retrieval2026.07 | 29.3 | 9.2 | 0.4972 | |
| ParaphrasingLayer=Query2026.07 | 24.6 | 13.9 | 0.489 | |
| Knowledge Expansion k=20Layer=Retrieval2026.07 | 23.9 | 14.6 | 0.5062 | |
| Root Query AnchoringLayer=Planning2026.07 | 18.3 | 20.2 | 0.6173 |