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Large language models (LLMs) are now widely deployed in user-facing applications, reaching hundreds of millions worldwide. As they become integrated into everyday tasks, growing reliance on their outputs raises significant concerns. In…

计算机与社会 · 计算机科学 2025-10-16 Robin Staab , Jasper Dekoninck , Maximilian Baader , Martin Vechev

Coherence evaluation aims to assess the organization and structure of a discourse, which remains challenging even in the era of large language models. Due to the scarcity of annotated data, data augmentation is commonly used for training…

计算与语言 · 计算机科学 2024-04-02 Dawei Zhu , Wenhao Wu , Yifan Song , Fangwei Zhu , Ziqiang Cao , Sujian Li

In this paper, we present an effective data augmentation framework leveraging the Large Language Model (LLM) and Diffusion Model (DM) to tackle the challenges inherent in data-scarce scenarios. Recently, DMs have opened up the possibility…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Kyuheon Jung , Yongdeuk Seo , Seongwoo Cho , Jaeyoung Kim , Hyun-seok Min , Sungchul Choi

The class imbalance problem can cause machine learning models to produce an undesirable performance on the minority class as well as the whole dataset. Using data augmentation techniques to increase the number of samples is one way to…

计算与语言 · 计算机科学 2023-06-02 Akbar Karimi , Lucie Flek

Contextualized word embeddings have been replacing standard embeddings as the representational knowledge source of choice in NLP systems. Since a variety of biases have previously been found in standard word embeddings, it is crucial to…

计算与语言 · 计算机科学 2020-10-29 Marion Bartl , Malvina Nissim , Albert Gatt

Data augmentation is an essential technique in natural language processing (NLP) for enriching training datasets by generating diverse samples. This process is crucial for improving the robustness and generalization capabilities of NLP…

计算与语言 · 计算机科学 2025-10-16 Zaitian Wang , Jinghan Zhang , Xinhao Zhang , Kunpeng Liu , Pengfei Wang , Yuanchun Zhou

Data augmentation involves generating synthetic samples that resemble those in a given dataset. In resource-limited fields where high-quality data is scarce, augmentation plays a crucial role in increasing the volume of training data. This…

计算与语言 · 计算机科学 2024-12-30 Md. Tariquzzaman , Audwit Nafi Anam , Naimul Haque , Mohsinul Kabir , Hasan Mahmud , Md Kamrul Hasan

Recent advancements in generative AI have introduced novel prospects and practical implementations. Especially diffusion models show their strength in generating diverse and, at the same time, realistic features, positioning them well for…

机器学习 · 计算机科学 2024-06-05 Franz Motzkus , Christian Hellert , Ute Schmid

Curriculum Data Augmentation (CDA) improves neural models by presenting synthetic data with increasing difficulties from easy to hard. However, traditional CDA simply treats the ratio of word perturbation as the difficulty measure and goes…

计算与语言 · 计算机科学 2023-02-01 Hongyuan Lu , Wai Lam

The training data in large language models is key to their success, but it also presents privacy and security risks, as it may contain sensitive information. Detecting pre-training data is crucial for mitigating these concerns. Existing…

计算与语言 · 计算机科学 2025-01-16 Cheng Wang , Yiwei Wang , Bryan Hooi , Yujun Cai , Nanyun Peng , Kai-Wei Chang

Large language models (LLMs) often struggle with context fidelity, producing inconsistent answers when responding to questions based on provided information. Existing approaches either rely on expensive supervised fine-tuning to generate…

计算与语言 · 计算机科学 2025-09-18 Suyuchen Wang , Jinlin Wang , Xinyu Wang , Shiqi Li , Xiangru Tang , Sirui Hong , Xiao-Wen Chang , Chenglin Wu , Bang Liu

Contrastive Predictive Coding (CPC), based on predicting future segments of speech based on past segments is emerging as a powerful algorithm for representation learning of speech signal. However, it still under-performs other methods on…

音频与语音处理 · 电气工程与系统科学 2020-07-03 Eugene Kharitonov , Morgane Rivière , Gabriel Synnaeve , Lior Wolf , Pierre-Emmanuel Mazaré , Matthijs Douze , Emmanuel Dupoux

This paper proposes a novel framework to reinforce classification models using language-guided generated counterfactual images. Deep learning classification models are often trained using datasets that mirror real-world scenarios. In this…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Xiang Li , Ren Togo , Keisuke Maeda , Takahiro Ogawa , Miki Haseyama

Vision-language models are growing in popularity and public visibility to generate, edit, and caption images at scale; but their outputs can perpetuate and amplify societal biases learned during pre-training on uncurated image-text pairs…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Brandon Smith , Miguel Farinha , Siobhan Mackenzie Hall , Hannah Rose Kirk , Aleksandar Shtedritski , Max Bain

Contrastive learning has recently achieved compelling performance in unsupervised sentence representation. As an essential element, data augmentation protocols, however, have not been well explored. The pioneering work SimCSE resorting to a…

计算与语言 · 计算机科学 2024-06-17 Dongsheng Zhu , Zhenyu Mao , Jinghui Lu , Rui Zhao , Fei Tan

Data Augmentation (DA) is a technique to increase the quantity and diversity of the training data, and by that alleviate overfitting and improve generalisation. However, standard DA produces synthetic data for augmentation with limited…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Lorenzo Tronchin , Minh H. Vu , Paolo Soda , Tommy Löfstedt

The goal of meta-learning is to learn to adapt to a new task with only a few labeled examples. To tackle this problem in NLP, we propose $\textit{in-context tuning}$, which recasts adaptation and prediction as a simple sequence prediction…

计算与语言 · 计算机科学 2022-04-13 Yanda Chen , Ruiqi Zhong , Sheng Zha , George Karypis , He He

Explainable artificial intelligence (XAI) has become increasingly important in decision-critical domains such as healthcare, finance, and law. Counterfactual (CF) explanations, a key approach in XAI, provide users with actionable insights…

人工智能 · 计算机科学 2025-07-22 Volkan Bakir , Polat Goktas , Sureyya Akyuz

Bias in speech emotion recognition (SER) systems often stems from spurious correlations between speaker characteristics and emotional labels, leading to unfair predictions across demographic groups. Many existing debiasing methods require…

音频与语音处理 · 电气工程与系统科学 2025-11-17 Yun-Shao Tsai , Yi-Cheng Lin , Huang-Cheng Chou , Hung-yi Lee

Most machine learning methods are known to capture and exploit biases of the training data. While some biases are beneficial for learning, others are harmful. Specifically, image captioning models tend to exaggerate biases present in…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Lisa Anne Hendricks , Kaylee Burns , Kate Saenko , Trevor Darrell , Anna Rohrbach