collaborators

9 papers

cs.IR2026

OneRetrieval: Unifying Multi-Branch E-commerce Retrieval with an Editable Generative Model

Xuxin Zhang, Ben Chen, Yue Lv +13

Industrial e-commerce search serves hundreds of millions of items through a multi-branch retrieval stage fused by hand-tuned merging without joint optimization. Generative retrieva…

cs.AI2026

Plan Before Search: Search Agents Need Plan

Zhipeng Qian, Zihan Liang, Yufei Ma +7

Training large language models as retrieval-augmented reasoning agents typically combines reinforcement learning with an SFT cold start distilled from a stronger model. However, th…

cs.AI2026

Search-E1: Self-Distillation Drives Self-Evolution in Search-Augmented Reasoning

Zihan Liang, Yufei Ma, Ben Chen +4

Post-training has become the dominant recipe for turning a language model into a competent search-augmented reasoning agent. A line of recent work pushes its performance further by…

cs.AI2026

SD-Search: On-Policy Hindsight Self-Distillation for Search-Augmented Reasoning

Yufei Ma, Zihan Liang, Ben Chen +6

Search-augmented reasoning agents interleave internal reasoning with calls to an external retriever, and their performance relies on the quality of each issued query. However, unde…

cs.IR2026

OneSearch-V2: The Latent Reasoning Enhanced Self-distillation Generative Search Framework

Ben Chen, Siyuan Wang, Yufei Ma +20

Generative Retrieval (GR) has emerged as a promising paradigm for modern search systems. Compared to multi-stage cascaded architecture, it offers advantages such as end-to-end join…

cs.AI2026

Bian Que: An Agentic Framework with Flexible Skill Arrangement for Online System Operations

Bochao Liu, Zhipeng Qian, Yang Zhao +10

Operating and maintaining (O&M) large-scale online engine systems (eg, search, recommendation and advertising) demands substantial human effort for release monitoring, alert respon…