activity
20242026
most citedEnhancing LLM-based Hatred and Toxicity Detection with Meta-Toxic Knowledge Graph

1 citations · 1 across the 13 of their papers we have counts for

collaborators

13 papers

cs.LG2026

Intern-S2-Preview: Scientific Agentic Foundation Model

Lei Bai, Jiaqi Cao, Chiyu Chen +121

Scientific discovery increasingly requires AI systems that can reason over scientific evidence of heterogeneous modalities, interact with scientific tools and environments, and sus…

cs.AI2026

LazyMem: Retrieve Broadly, Construct Selectively for Efficient Long-Term Agent Memory

Jing Yu, Yibo Zhao, Jiaming Zhang +1

Long-term memory enables LLM agents to leverage past interactions, but dialogue histories quickly exceed the context window, forcing agents to retrieve relevant subsets at query ti…

cs.CL2026

Think Big, Search Small: Where Capacity Matters in Hierarchical Search Agents?

Qinnan Cai, Yibo Zhao, Xiang Li

Large language model based search agents increasingly adopt multi-agent architectures in which a main agent decomposes a complex question into sub-queries and dispatches them to pa…

cs.CL2026

Retrieval, Reward, and Training Protocols: What Matters in Training Search Agents?

Yibo Zhao, Zichen Ding, Jiayi Wu +2

Search agents powered by large language models can autonomously decompose queries, retrieve information, and synthesize answers through multi-step reasoning. However, the rapid gro…

cs.CL2026

Skill0.5: Joint Skill Internalization and Utilization for Out-of-Distribution Generalization in Agentic Reinforcement Learning

Jiapeng Zhu, Jianxiang Yu, Yibo Zhao +5

Equipping large language models with explicit skills has emerged as a promising paradigm for enabling autonomous agents to solve complex tasks. Agent skills can be inherently divid…

cs.CL2026

Beyond Chunk-Local Extraction: Cross-Chunk Graph Augmentation for GraphRAG

Jiaming Zhang, Yibo Zhao, Jing Yu +2

GraphRAG extends retrieval-augmented generation by organizing corpora as explicit knowledge graphs, enabling graph-based retrieval for complex question answering. However, existing…

cs.CL2026

MERIT: Matching Expertise via Rubric-Informed Training for Reviewer Assignment

Zixuan Yang, Yibo Zhao, Weicong Liu +1

Matching submissions with suitable reviewers at scale is a growing challenge for major venues, yet existing approaches either rely on coarse proxy signals that conflate general rel…

cs.CL2026

RATE: Reviewer Profiling and Annotation-free Training for Expertise Ranking in Peer Review Systems

Weicong Liu, Zixuan Yang, Yibo Zhao +1

Reviewer assignment is increasingly critical yet challenging in the LLM era, where rapid topic shifts render many pre-2023 benchmarks outdated and where proxy signals poorly reflec…

cs.AI2026

APEX: Academic Poster Editing Agentic Expert

Chengxin Shi, Qinnan Cai, Zeyuan Chen +5

Designing academic posters is a labor-intensive process requiring the precise balance of high-density content and sophisticated layout. While existing paper-to-poster generation me…

cs.CL2026

GRACE: Reinforcement Learning for Grounded Response and Abstention under Contextual Evidence

Yibo Zhao, Jiapeng Zhu, Zichen Ding +1

Retrieval-Augmented Generation (RAG) integrates external knowledge to enhance Large Language Models (LLMs), yet systems remain susceptible to two critical flaws: providing correct…

cs.LG2025

Text Detoxification: Data Efficiency, Semantic Preservation and Model Generalization

Jing Yu, Yibo Zhao, Jiapeng Zhu +4

The widespread dissemination of toxic content on social media poses a serious threat to both online environments and public discourse, highlighting the urgent need for detoxificati…

cs.LG2025

Human Cognition Inspired RAG with Knowledge Graph for Complex Problem Solving

Yao Cheng, Yibo Zhao, Jiapeng Zhu +3

Large Language Models (LLMs) have demonstrated significant potential across various domains. However, they often struggle with integrating external knowledge and performing complex…

cs.CL2024★ 1 cited

Enhancing LLM-based Hatred and Toxicity Detection with Meta-Toxic Knowledge Graph

Yibo Zhao, Jiapeng Zhu, Can Xu +2

The rapid growth of social media platforms has raised significant concerns regarding online content toxicity. When Large Language Models (LLMs) are used for toxicity detection, two…