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Pengyuan Liu

6 accepted papers

2025

Attribution and Application of Multiple Neurons in Multimodal Large Language Models

EMNLP 2025

Multimodal Large Language Models (MLLMs) have demonstrated exceptional performance across various tasks. However, the internal mechanisms by which they interpret and integrate cross-modal information remain insufficiently understood. In this paper, to address the limitations of prior studies that co

Cited by 0SourcePDFScholar
2025

What’s the most important value? INVP: INvestigating the Value Priorities of LLMs through Decision-making in Social Scenarios

COLING 2025main

As large language models (LLMs) demonstrate impressive performance in various tasks and are increasingly integrated into the decision-making process, ensuring they align with human values has become crucial. This paper highlights that value priorities—the relative importance of different value—play…

2024

Evaluating Moral Beliefs across LLMs through a Pluralistic Framework

EMNLP 2024finding

Proper moral beliefs are fundamental for language models, yet assessing these beliefs poses a significant challenge. This study introduces a novel three-module framework to evaluate the moral beliefs of four prominent large language models. Initially, we constructed a dataset containing 472 moral ch…

2024

MatPlotAgent: Method and Evaluation for LLM-Based Agentic Scientific Data Visualization

ACL 2024findings

Scientific data visualization plays a crucial role in research by enabling the direct display of complex information and assisting researchers in identifying implicit patterns. Despite its importance, the use of Large Language Models (LLMs) for scientific data visualization remains rather unexplored…