activity
20232026
most citedTowards Empathetic Conversational Recommender Systems

21 citations · 27 across the 15 of their papers we have counts for

collaborators

17 papers

math.AG2026

Deformations of Holomorphic -Contact Structures

Dan Popovici

We investigate the notion of holomorphic -contact structure, that we introduced recently in the scalar case with H. Kasuya and L. Ugarte and in the line-bundle case with K. Brod…

cs.IR2026

SearchJev: A Calibrated System-1 Model for Search Agents

Congfeng Cao, Lipeng Zuo, Konstantinos Papakostas +7

Search agents repeatedly make short decisions about relevance, evidence sufficiency, and search actions. Using generative language models for these decisions introduces latency and…

cs.CL2026

RubricReviewer: From Direct Critique to Objective and Comprehensive Rubric-Driven Peer Review

Shuyu Guo, Wenxiang Hu, Yuyue Zhao +2

Peer review at major venues is under unprecedented submission pressure, motivating the use of large language models (LLMs) as review assistants. Existing LLM-based reviewers, howev…

cs.AI2026

EvoIdeator: Evolving Scientific Ideas through Checklist-Grounded Reinforcement Learning

Andreas Sauter, Yuyue Zhao, Jacopo Urbani +5

Scientific idea generation is a cornerstone of autonomous knowledge discovery, yet the iterative evolution required to transform initial concepts into high-quality research proposa…

cs.CL2026★ 1 cited

EvoScientist: Towards Multi-Agent Evolving AI Scientists for End-to-End Scientific Discovery

Yougang Lyu, Xi Zhang, Xinhao Yi +11

The increasing adoption of Large Language Models (LLMs) has enabled AI scientists to perform complex end-to-end scientific discovery tasks requiring coordination of specialized rol…

cs.CL2025

Deep Research: A Systematic Survey

Zhengliang Shi, Yiqun Chen, Haitao Li +23

Large language models (LLMs) have rapidly evolved from text generators into powerful problem solvers. Yet, many open tasks demand critical thinking, multi-source, and verifiable ou…

cs.IR2025

DeepShop: A Benchmark for Deep Research Shopping Agents

Yougang Lyu, Xiaoyu Zhang, Lingyong Yan +3

Web agents for online shopping have shown great promise in automating user interactions across e-commerce platforms. Benchmarks for assessing such agents do not reflect the complex…

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.IR2025★ 1 cited

Agent-centric Information Access

Evangelos Kanoulas, Panagiotis Eustratiadis, Yongkang Li +5

As large language models (LLMs) become more specialized, we envision a future where millions of expert LLMs exist, each trained on proprietary data and excelling in specific domain…

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.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★ 2 cited

Cognitive Biases in Large Language Models for News Recommendation

Yougang Lyu, Xiaoyu Zhang, Zhaochun Ren +1

Despite large language models (LLMs) increasingly becoming important components of news recommender systems, employing LLMs in such systems introduces new risks, such as the influe…

cs.CL2024

MACPO: Weak-to-Strong Alignment via Multi-Agent Contrastive Preference Optimization

Yougang Lyu, Lingyong Yan, Zihan Wang +4

As large language models (LLMs) are rapidly advancing and achieving near-human capabilities on specific tasks, aligning them with human values is becoming more urgent. In scenarios…

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

KnowTuning: Knowledge-aware Fine-tuning for Large Language Models

Yougang Lyu, Lingyong Yan, Shuaiqiang Wang +6

Despite their success at many natural language processing (NLP) tasks, large language models still struggle to effectively leverage knowledge for knowledge-intensive tasks, manifes…

cs.CL2023

Multi-Defendant Legal Judgment Prediction via Hierarchical Reasoning

Yougang Lyu, Jitai Hao, Zihan Wang +6

Multiple defendants in a criminal fact description generally exhibit complex interactions, and cannot be well handled by existing Legal Judgment Prediction (LJP) methods which focu…

cs.CL2023★ 1 cited

Feature-Level Debiased Natural Language Understanding

Yougang Lyu, Piji Li, Yechang Yang +5

Natural language understanding (NLU) models often rely on dataset biases rather than intended task-relevant features to achieve high performance on specific datasets. As a result,…