activity
20232026
most citedTowards Empathetic Conversational Recommender Systems

21 citations · 75 across the 32 of their papers we have counts for

collaborators

37 papers

cs.IR2026

Optimizing VLP-aligned Multimodal Intent Representation with Correct Visual Instantiation for Zero-Shot Composed Image Retrieval

Xuri Ge, Chunhao Wang, Junchen Fu +7

ZS-CIR aims to retrieve a target image from a reference image and a modification text without paired supervision, typically by encoding composed queries as text-dominant representa…

cs.IR2026

Token-Level Credit Assignment Optimization for Generative Document Retrieval

Xinpeng Zhao, Yang Liu, Ran Chen +6

Generative retrieval models perform document retrieval by autoregressively generating document identifiers (DocIDs). This process naturally forms a sequential decision problem, i.e…

cs.LG2026

Modularized Reinforcement Learning on LLMs: From MDP Creation to Exploration and Learning

Zhao Yang, Yuxuan Jiang, Ting-Chih Chen +18

Reinforcement learning (RL) has become central to LLM post-training, yet the methods that dominate current pipelines, PPO and GRPO, represent only a narrow slice of what RL offers.…

cs.IR2026

SA-CAISR: Stage-Adaptive and Conflict-Aware Incremental Sequential Recommendation

Xiaomeng Song, Xinru Wang, Hanbing Wang +4

Sequential recommendation (SR) aims to predict a user's next action by learning from their historical interaction sequences. In real-world applications, these models require period…

cs.AI2025

Belief-Calibrated Multi-Agent Consensus Seeking for Complex NLP Tasks

Wentao Deng, Jiahuan Pei, Zhiwei Xu +3

A multi-agent system (MAS) enhances its capacity to solve complex natural language processing (NLP) tasks through collaboration among multiple agents, where consensus-seeking serve…

cs.CL2025

OpenReward: Learning to Reward Long-form Agentic Tasks via Reinforcement Learning

Ziyou Hu, Zhengliang Shi, Minghang Zhu +5

Reward models (RMs) have become essential for aligning large language models (LLMs), serving as scalable proxies for human evaluation in both training and inference. However, exist…

cs.CL2025

Social Welfare Function Leaderboard: When LLM Agents Allocate Social Welfare

Zhengliang Shi, Ruotian Ma, Jen-tse Huang +14

Large language models (LLMs) are increasingly entrusted with high-stakes decisions that affect human welfare. However, the principles and values that guide these models when distri…

cs.CL2025★ 1 cited

Bridging the Capability Gap: Joint Alignment Tuning for Harmonizing LLM-based Multi-Agent Systems

Minghang Zhu, Zhengliang Shi, Zhiwei Xu +5

The advancement of large language models (LLMs) has enabled the construction of multi-agent systems to solve complex tasks by dividing responsibilities among specialized agents, su…

cs.IR2025

Curriculum Approximate Unlearning for Session-based Recommendation

Liu Yang, Zhaochun Ren, Ziqi Zhao +7

Approximate unlearning for session-based recommendation refers to eliminating the influence of specific training samples from the recommender without retraining of (sub-)models. Gr…

cs.CL2025

Disentangling Knowledge Representations for Large Language Model Editing

Mengqi Zhang, Zisheng Zhou, Xiaotian Ye +4

Knowledge Editing has emerged as a promising solution for efficiently updating embedded knowledge in large language models (LLMs). While existing approaches demonstrate effectivene…

cs.IR2025

Replication and Exploration of Generative Retrieval over Dynamic Corpora

Zhen Zhang, Xinyu Ma, Weiwei Sun +6

Generative retrieval (GR) has emerged as a promising paradigm in information retrieval (IR). However, most existing GR models are developed and evaluated using a static document co…

cs.IR2025

Improving Sequential Recommenders through Counterfactual Augmentation of System Exposure

Ziqi Zhao, Zhaochun Ren, Jiyuan Yang +7

In sequential recommendation (SR), system exposure refers to items that are exposed to the user. Typically, only a few of the exposed items would be interacted with by the user. Al…

cs.IR2025★ 3 cited

Constrained Auto-Regressive Decoding Constrains Generative Retrieval

Shiguang Wu, Zhaochun Ren, Xin Xin +5

Generative retrieval seeks to replace traditional search index data structures with a single large-scale neural network, offering the potential for improved efficiency and seamless…

cs.CL2025

Self-Adaptive Cognitive Debiasing for Large Language Models in Decision-Making

Yougang Lyu, Shijie Ren, Yue Feng +4

Large language models (LLMs) have shown potential in supporting decision-making applications, particularly as personal assistants in the financial, healthcare, and legal domains. W…

cs.CL2025

UIPE: Enhancing LLM Unlearning by Removing Knowledge Related to Forgetting Targets

Wenyu Wang, Mengqi Zhang, Xiaotian Ye +3

Large Language Models (LLMs) inevitably acquire harmful information during training on massive datasets. LLM unlearning aims to eliminate the influence of such harmful information…

cs.CL2025

Retrieval Models Aren't Tool-Savvy: Benchmarking Tool Retrieval for Large Language Models

Zhengliang Shi, Yuhan Wang, Lingyong Yan +4

Tool learning aims to augment large language models (LLMs) with diverse tools, enabling them to act as agents for solving practical tasks. Due to the limited context length of tool…

cs.IR2025

A Cooperative Multi-Agent Framework for Zero-Shot Named Entity Recognition

Zihan Wang, Ziqi Zhao, Yougang Lyu +3

Zero-shot named entity recognition (NER) aims to develop entity recognition systems from unannotated text corpora. This task presents substantial challenges due to minimal human in…

cs.CL2024

ASLoRA: Adaptive Sharing Low-Rank Adaptation Across Layers

Junyan Hu, Xue Xiao, Mengqi Zhang +4

As large language models (LLMs) grow in size, traditional full fine-tuning becomes increasingly impractical due to its high computational and storage costs. Although popular parame…

cs.IR2024

The 1st Workshop on Human-Centered Recommender Systems

Kaike Zhang, Yunfan Wu, Yougang lyu +6

Recommender systems are quintessential applications of human-computer interaction. Widely utilized in daily life, they offer significant convenience but also present numerous chall…

cs.IR2024

R^3AG: First Workshop on Refined and Reliable Retrieval Augmented Generation

Zihan Wang, Xuri Ge, Joemon M. Jose +4

Retrieval-augmented generation (RAG) has gained wide attention as the key component to improve generative models with external knowledge augmentation from information retrieval. It…

cs.IR2024★ 21 cited

Towards Empathetic Conversational Recommender Systems

Xiaoyu Zhang, Ruobing Xie, Yougang Lyu +7

Conversational recommender systems (CRSs) are able to elicit user preferences through multi-turn dialogues. They typically incorporate external knowledge and pre-trained language m…

cs.CL2024★ 1 cited

MEFT: Memory-Efficient Fine-Tuning through Sparse Adapter

Jitai Hao, WeiWei Sun, Xin Xin +4

Parameter-Efficient Fine-tuning (PEFT) facilitates the fine-tuning of Large Language Models (LLMs) under limited resources. However, the fine-tuning performance with PEFT on comple…

cs.CL2024

Generate-then-Ground in Retrieval-Augmented Generation for Multi-hop Question Answering

Zhengliang Shi, Weiwei Sun, Shen Gao +3

Multi-Hop Question Answering (MHQA) tasks present a significant challenge for large language models (LLMs) due to the intensive knowledge required. Current solutions, like Retrieva…

cs.IR2024

ExcluIR: Exclusionary Neural Information Retrieval

Wenhao Zhang, Mengqi Zhang, Shiguang Wu +5

Exclusion is an important and universal linguistic skill that humans use to express what they do not want. However, in information retrieval community, there is little research on…