activity
20232026
most citedMulti-View Graph Representation Learning for Answering Hybrid Numerical Reasoning Question

5 citations · 14 across the 14 of their papers we have counts for

collaborators

15 papers

cs.CL2026

Towards Compositional Generalization of LLMs via Skill Taxonomy Guided Data Synthesis

Yifan Wei, Li Du, Xiaoyan Yu +2

Large Language Models (LLMs) and agent-based systems often struggle with compositional generalization due to a data bottleneck in which complex skill combinations follow a long-tai…

cs.CL2025★ 1 cited

AutoTIR: Autonomous Tools Integrated Reasoning via Reinforcement Learning

Yifan Wei, Xiaoyan Yu, Yixuan Weng +3

Large Language Models (LLMs), when enhanced through reasoning-oriented post-training, evolve into powerful Large Reasoning Models (LRMs). Tool-Integrated Reasoning (TIR) further ex…

cs.CL2025

Structural Entropy Guided Agent for Detecting and Repairing Knowledge Deficiencies in LLMs

Yifan Wei, Xiaoyan Yu, Tengfei Pan +2

Large language models (LLMs) have achieved unprecedented performance by leveraging vast pretraining corpora, yet their performance remains suboptimal in knowledge-intensive domains…

cs.CL2025

SetKE: Knowledge Editing for Knowledge Elements Overlap

Yifan Wei, Xiaoyan Yu, Ran Song +2

Large Language Models (LLMs) excel in tasks such as retrieval and question answering but require updates to incorporate new knowledge and reduce inaccuracies and hallucinations. Tr…

cs.CL2024

Towards Effective, Efficient and Unsupervised Social Event Detection in the Hyperbolic Space

Xiaoyan Yu, Yifan Wei, Shuaishuai Zhou +5

The vast, complex, and dynamic nature of social message data has posed challenges to social event detection (SED). Despite considerable effort, these challenges persist, often resu…

cs.CL2024

DA-Code: Agent Data Science Code Generation Benchmark for Large Language Models

Yiming Huang, Jianwen Luo, Yan Yu +8

We introduce DA-Code, a code generation benchmark specifically designed to assess LLMs on agent-based data science tasks. This benchmark features three core elements: First, the ta…

cs.CL2024

Does Knowledge Localization Hold True? Surprising Differences Between Entity and Relation Perspectives in Language Models

Yifan Wei, Xiaoyan Yu, Yixuan Weng +4

Large language models encapsulate knowledge and have demonstrated superior performance on various natural language processing tasks. Recent studies have localized this knowledge to…

cs.CL2024★ 1 cited

DAMe: Personalized Federated Social Event Detection with Dual Aggregation Mechanism

Xiaoyan Yu, Yifan Wei, Pu Li +5

Training social event detection models through federated learning (FedSED) aims to improve participants' performance on the task. However, existing federated learning paradigms are…

cs.CL2024

Neeko: Leveraging Dynamic LoRA for Efficient Multi-Character Role-Playing Agent

Xiaoyan Yu, Tongxu Luo, Yifan Wei +4

Large Language Models (LLMs) have revolutionized open-domain dialogue agents but encounter challenges in multi-character role-playing (MCRP) scenarios. To address the issue, we pre…

cs.CL2023

Assessing Knowledge Editing in Language Models via Relation Perspective

Yifan Wei, Xiaoyan Yu, Huanhuan Ma +4

Knowledge Editing (KE) for modifying factual knowledge in Large Language Models (LLMs) has been receiving increasing attention. However, existing knowledge editing methods are enti…

cs.CL2023★ 2 cited

TableQAKit: A Comprehensive and Practical Toolkit for Table-based Question Answering

Fangyu Lei, Tongxu Luo, Pengqi Yang +8

Table-based question answering (TableQA) is an important task in natural language processing, which requires comprehending tables and employing various reasoning ways to answer the…

cs.CL2023★ 4 cited

MenatQA: A New Dataset for Testing the Temporal Comprehension and Reasoning Abilities of Large Language Models

Yifan Wei, Yisong Su, Huanhuan Ma +5

Large language models (LLMs) have shown nearly saturated performance on many natural language processing (NLP) tasks. As a result, it is natural for people to believe that LLMs hav…

cs.AI2023★ 1 cited

EX-FEVER: A Dataset for Multi-hop Explainable Fact Verification

Huanhuan Ma, Weizhi Xu, Yifan Wei +4

Fact verification aims to automatically probe the veracity of a claim based on several pieces of evidence. Existing works are always engaging in accuracy improvement, let alone exp…

cs.CL2023★ 5 cited

Multi-View Graph Representation Learning for Answering Hybrid Numerical Reasoning Question

Yifan Wei, Fangyu Lei, Yuanzhe Zhang +2

Hybrid question answering (HybridQA) over the financial report contains both textual and tabular data, and requires the model to select the appropriate evidence for the numerical r…

cs.CL2023

SHQA: A Three-Stage Approach for Multi-hop Text-Table Hybrid Question Answering

Fangyu Lei, Xiang Li, Yifan Wei +4

Answering multi-hop questions over hybrid factual knowledge from the given text and table (TextTableQA) is a challenging task. Existing models mainly adopt a retriever-reader frame…