Search Results for author: Fengjun Pan

Found 3 papers, 2 papers with code

On the Affinity, Rationality, and Diversity of Hierarchical Topic Modeling

1 code implementation25 Jan 2024 Xiaobao Wu, Fengjun Pan, Thong Nguyen, Yichao Feng, Chaoqun Liu, Cong-Duy Nguyen, Anh Tuan Luu

Hierarchical topic modeling aims to discover latent topics from a corpus and organize them into a hierarchy to understand documents with desirable semantic granularity.

document understanding

Universal Vulnerabilities in Large Language Models: Backdoor Attacks for In-context Learning

no code implementations11 Jan 2024 Shuai Zhao, Meihuizi Jia, Luu Anh Tuan, Fengjun Pan, Jinming Wen

Our studies demonstrate that an attacker can manipulate the behavior of large language models by poisoning the demonstration context, without the need for fine-tuning the model.

Backdoor Attack In-Context Learning

Towards the TopMost: A Topic Modeling System Toolkit

1 code implementation13 Sep 2023 Xiaobao Wu, Fengjun Pan, Anh Tuan Luu

Topic models have been proposed for decades with various applications and recently refreshed by the neural variational inference.

Topic Models Variational Inference

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