activity
20242026
collaborators

5 papers

cs.IR2026

MemSifter: Offloading LLM Memory Retrieval via Outcome-Driven Proxy Reasoning

Jiejun Tan, Zhicheng Dou, Liancheng Zhang +3

As Large Language Models (LLMs) are increasingly used for long-duration tasks, maintaining effective long-term memory has become a critical challenge. Current methods often face a…

cs.CR2026

From Prompt Injection to Persistent Control: Defending Agentic Harness Against Trojan Backdoors

Jiejun Tan, Zhicheng Dou, Xinyu Yang +4

LLM agents are evolving from conversational chatbots to operational tools in real-world workspaces. In local agentic harnesses, an LLM can read and write files, call tools, and reu…

cs.IR2026

ChatShopBuddy: Towards Reliable Conversational Shopping Agents via Reinforcement Learning

Yiruo Cheng, Kelong Mao, Tianhao Li +3

Conversational shopping agents represent a critical consumer-facing application of Large Language Model (LLM)-powered agents, yet how to effectively apply post-training Reinforceme…

cs.CL2025

A Survey of Conversational Search

Fengran Mo, Kelong Mao, Ziliang Zhao +7

As a cornerstone of modern information access, search engines have become indispensable in everyday life. With the rapid advancements in AI and natural language processing (NLP) te…

cs.IR2024

CORAL: Benchmarking Multi-turn Conversational Retrieval-Augmentation Generation

Yiruo Cheng, Kelong Mao, Ziliang Zhao +6

Retrieval-Augmented Generation (RAG) has become a powerful paradigm for enhancing large language models (LLMs) through external knowledge retrieval. Despite its widespread attentio…