← Search

Zhenzhe Ying

5 accepted papers

2026

Careful Queries, Credible Results: Teaching RAG Models Advanced Web Search Tools with Reinforcement Learning

AAAI 2026technical

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by integrating up-to-date external knowledge, yet real-world web environments present unique challenges. These limitations manifest as two key challenges: pervasive misinformation in the web environment, which introduces unre

Cited by 0SourcePDFScholar
2026

Information Gain-based Policy Optimization: A Simple and Effective Approach for Multi-Turn LLM Agents

ICLR 2026poster

Large language model (LLM)–based agents are increasingly trained with reinforcement learning (RL) to enhance their ability to interact with external environments through tool use, particularly in search-based settings that require multi-turn reasoning and knowledge acquisition. However, existing app…

Cited by 0SourcecodeScholar
2025

Innovative Image Fraud Detection with Cross-Sample Anomaly Analysis: The Power of LLMs

ACL 2025long

The financial industry faces a substantial workload in verifying document images. Existing methods based on visual features struggle to identify fraudulent document images due to the lack of visual clues on the tampering region. This paper proposes CSIAD (Cross-Sample Image Anomaly Detection) by lev…

2024

PASUM: A Pre-training Architecture for Social Media User Modeling Based on Text Graph

COLING 2024main

Modeling social media users is the core of social governance in the digital society. Existing works have incorporated different digital traces to better learn the representations of social media users, including text information encoded by pre-trained language models and social network information e…

2022

A2: Efficient Automated Attacker for Boosting Adversarial Training

NeurIPS 2022accept

Based on the significant improvement of model robustness by AT (Adversarial Training), various variants have been proposed to further boost the performance. Well-recognized methods have focused on different components of AT (e.g., designing loss functions and leveraging additional unlabeled data). I…