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Modeling topics effectively in short texts, such as tweets and news snippets, is crucial to capturing rapidly evolving social trends. Existing topic models often struggle to accurately capture the underlying semantic patterns of short…

计算与语言 · 计算机科学 2025-02-18 Shuyu Chang , Rui Wang , Peng Ren , Qi Wang , Haiping Huang

Large Language Models increasingly possess capabilities that carry dual-use risks. While data filtering has emerged as a pretraining-time mitigation, it faces significant challenges: labeling whether data is harmful is expensive at scale,…

While most generative models show achievements in image data generation, few are developed for tabular data generation. Recently, due to success of large language models (LLM) in diverse tasks, they have also been used for tabular data…

机器学习 · 计算机科学 2024-10-30 Dang Nguyen , Sunil Gupta , Kien Do , Thin Nguyen , Svetha Venkatesh

Model editing techniques are essential for efficiently updating knowledge in large language models (LLMs). However, the effectiveness of existing approaches degrades in massive editing scenarios, particularly when evaluated with practical…

计算与语言 · 计算机科学 2026-02-25 Yanbo Dai , Zhenlan Ji , Zongjie Li , Shuai Wang

This study presents a framework for automated evaluation of dynamically evolving topic taxonomies in scientific literature using Large Language Models (LLMs). In digital library systems, topic modeling plays a crucial role in efficiently…

计算与语言 · 计算机科学 2025-02-14 Zhiyin Tan , Jennifer D'Souza

Efficiently editing knowledge stored in large language models (LLMs) enables model updates without large-scale training. One possible solution is Locate-and-Edit (L\&E), allowing simultaneous modifications of a massive number of facts.…

计算与语言 · 计算机科学 2025-07-25 Weizhi Fei , Hao Shi , Jing Xu , Jingchen Peng , Jiazheng Li , Jingzhao Zhang , Bo Bai , Wei Han , Zhenyuan Chen , Xueyan Niu

As real-world knowledge evolves, the information embedded within large language models (LLMs) can become outdated, inadequate, or erroneous. Model editing has emerged as a prominent approach for updating LLMs' knowledge with minimal…

计算与语言 · 计算机科学 2025-03-10 Guoxiu He , Xin Song , Aixin Sun

Gender-neutral translation (GNT) aims to avoid expressing the gender of human referents when the source text lacks explicit cues about the gender of those referents. Evaluating GNT automatically is particularly challenging, with current…

计算与语言 · 计算机科学 2025-04-17 Andrea Piergentili , Beatrice Savoldi , Matteo Negri , Luisa Bentivogli

Large Language Models (LLMs) can generate biased responses. Yet previous direct probing techniques contain either gender mentions or predefined gender stereotypes, which are challenging to comprehensively collect. Hence, we propose an…

计算与语言 · 计算机科学 2024-02-20 Xiangjue Dong , Yibo Wang , Philip S. Yu , James Caverlee

Large language Model (LLM) unlearning, i.e., selectively removing information from LLMs, is vital for responsible model deployment. Differently, LLM knowledge editing aims to modify LLM knowledge instead of removing it. Though editing and…

机器学习 · 计算机科学 2025-05-27 Zexi Li , Xiangzhu Wang , William F. Shen , Meghdad Kurmanji , Xinchi Qiu , Dongqi Cai , Chao Wu , Nicholas D. Lane

The recent success of Large Language Models (LLMs) has gained significant attention in both academia and industry. Substantial efforts have been made to enhance the zero- and few-shot generalization capabilities of open-source LLMs through…

计算与语言 · 计算机科学 2023-10-03 Zongxi Li , Xianming Li , Yuzhang Liu , Haoran Xie , Jing Li , Fu-lee Wang , Qing Li , Xiaoqin Zhong

In aligning large language models (LLMs), reward models have played an important role, but are standardly trained as discriminative models and rely only on labeled human preference data. In this paper, we explore methods that train reward…

计算与语言 · 计算机科学 2026-01-27 Chenglong Wang , Yang Gan , Yifu Huo , Yongyu Mu , Qiaozhi He , Murun Yang , Bei Li , Tong Xiao , Chunliang Zhang , Tongran Liu , Jingbo Zhu

Human preference alignment can greatly enhance Multimodal Large Language Models (MLLMs), but collecting high-quality preference data is costly. A promising solution is the self-evolution strategy, where models are iteratively trained on…

机器学习 · 计算机科学 2024-12-23 Wentao Tan , Qiong Cao , Yibing Zhan , Chao Xue , Changxing Ding

The need for interpretability in deep learning has driven interest in counterfactual explanations, which identify minimal changes to an instance that change a model's prediction. Current counterfactual (CF) generation methods require…

计算与语言 · 计算机科学 2025-12-11 Van Bach Nguyen , Christin Seifert , Jörg Schlötterer

Despite growing interest in using Large Language Models (LLMs) for educational assessment, it remains unclear how closely they align with human scoring. We present a systematic evaluation of instruction-tuned LLMs across three open…

计算与语言 · 计算机科学 2026-04-02 Filip J. Kucia , Anirban Chakraborty , Anna Wróblewska

Utilizing language models (LMs) without internal access is becoming an attractive paradigm in the field of NLP as many cutting-edge LMs are released through APIs and boast a massive scale. The de-facto method in this type of black-box…

计算与语言 · 计算机科学 2023-06-12 Hyunsoo Cho , Youna Kim , Sang-goo Lee

Large Language Model (LLM) alignment conventionally relies on supervised fine-tuning or reinforcement learning based alignment frameworks. These methods typically require labeled or preference datasets and involve updating model weights to…

计算与语言 · 计算机科学 2025-03-21 Reem I. Masoud , Martin Ferianc , Philip Treleaven , Miguel Rodrigues

The rise of large language models (LLMs) has brought a critical need for high-quality human-labeled data, particularly for processes like human feedback and evaluation. A common practice is to label data via consensus annotation over human…

计算与语言 · 计算机科学 2025-06-23 Manya Wadhwa , Jifan Chen , Junyi Jessy Li , Greg Durrett

Stereotypical bias encoded in language models (LMs) poses a threat to safe language technology, yet our understanding of how bias manifests in the parameters of LMs remains incomplete. We introduce local contrastive editing that enables the…

计算与语言 · 计算机科学 2025-08-05 Marlene Lutz , Rochelle Choenni , Markus Strohmaier , Anne Lauscher

The emergent reasoning capabilities of Large Language Models (LLMs) offer a transformative paradigm for analyzing text-attributed graphs. While instruction tuning is the prevailing method for adapting pre-trained LLMs to graph learning…

机器学习 · 计算机科学 2026-01-21 Zixing Song , Irwin King