SD-Search: On-Policy Hindsight Self-Distillation for Search-Augmented Reasoning
The paper titled 'SD-Search: On-Policy Hindsight Self-Distillation for Search-Augmented Reasoning' introduces a novel approach for improving search-augmented reasoning agents. This method utilizes on-policy hindsight self-distillation to provide step-level supervision without the need for external models or annotations. The authors propose a dual-role model that enhances decision-making by leveraging insights from previous rollouts.
- ▪The proposed method, SD-Search, derives supervision from the policy itself.
- ▪It eliminates the need for external teacher models or additional annotations.
- ▪The model functions as both a student and a teacher, conditioning on different aspects of the data.
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Record
| Original publisher | arXiv cs.AI |
| Canonical URL | https://arxiv.org/abs/2605.18299 |
| Publication time | Tue, 19 May 2026 00:00:00 -0400 |
| Retrieval time | 2026-05-19T04:04:57.272Z |
| Last seen | 2026-05-19T04:04:57.272Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | WEPXB3DjxyZe |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Computer Science > Artificial Intelligence arXiv:2605.18299 (cs) [Submitted on 18 May 2026] Title:SD-Search: On-Policy Hindsight Self-Distillation for Search-Augmented Reasoning Authors:Yufei Ma, Zihan Liang, Ben Chen, Zhipeng Qian, Huangyu Dai, Lingtao Mao, Xuxin Zhang, Chenyi Lei, Wenwu Ou View a PDF of the paper titled SD-Search: On-Policy Hindsight Self-Distillation for Search-Augmented Reasoning, by Yufei Ma and 8 other authors View PDF HTML (experimental) Abstract:Search-augmented reasoning agents interleave internal reasoning with calls to an external retriever, and their performance relies on the quality of each issued query.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at arXiv cs.AI.
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