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Related papers: NesPrInDT: Nested undersampling in PrInDT

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Data imbalance remains one of the open challenges in the contemporary machine learning. It is especially prevalent in case of medical data, such as histopathological images. Traditional data-level approaches for dealing with data imbalance…

Machine Learning · Computer Science 2021-04-20 Michał Koziarski

Imbalanced classification is a well-known challenge faced by many real-world applications. This issue occurs when the distribution of the target variable is skewed, leading to a prediction bias toward the majority class. With the arrival of…

Machine Learning · Computer Science 2023-10-10 Carla Vairetti , José Luis Assadi , Sebastián Maldonado

Supervised learning from training data with imbalanced class sizes, a commonly encountered scenario in real applications such as anomaly/fraud detection, has long been considered a significant challenge in machine learning. Motivated by…

Machine Learning · Computer Science 2019-05-27 Yunru Liu , Tingran Gao , Haizhao Yang

The purpose of this research report is to present the our learning curve and the exposure to the Machine Learning life cycle, with the use of a Kaggle binary classification data set and taking to explore various techniques from…

Machine Learning · Computer Science 2021-05-25 Mohamed Hamama

Imbalanced data commonly exists in real world, espacially in sentiment-related corpus, making it difficult to train a classifier to distinguish latent sentiment in text data. We observe that humans often express transitional emotion between…

Computation and Language · Computer Science 2019-03-29 Tao Zhang , Xing Wu , Meng Lin , Jizhong Han , Songlin Hu

Recently, very large pre-trained models achieve state-of-the-art results in various natural language processing (NLP) tasks, but their size makes it more challenging to apply them in resource-constrained environments. Compression techniques…

Computation and Language · Computer Science 2023-06-28 Alireza Mohammadshahi , Vassilina Nikoulina , Alexandre Berard , Caroline Brun , James Henderson , Laurent Besacier

Severe class imbalance is one of the main conditions that make machine learning in cybersecurity difficult. A variety of dataset preprocessing methods have been introduced over the years. These methods modify the training dataset by…

Machine Learning · Computer Science 2023-03-07 Radovan Haluška , Jan Brabec , Tomáš Komárek

Recently, deep learning models have achieved great success in computer vision applications, relying on large-scale class-balanced datasets. However, imbalanced class distributions still limit the wide applicability of these models due to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Yechan Kim , Younkwan Lee , Moongu Jeon

Neural Machine Translation (NMT), like many other deep learning domains, typically suffers from over-parameterization, resulting in large storage sizes. This paper examines three simple magnitude-based pruning schemes to compress NMT…

Artificial Intelligence · Computer Science 2016-07-01 Abigail See , Minh-Thang Luong , Christopher D. Manning

Negation is a common linguistic feature that is crucial in many language understanding tasks, yet it remains a hard problem due to diversity in its expression in different types of text. Recent work has shown that state-of-the-art NLP…

Computation and Language · Computer Science 2022-05-10 Thinh Hung Truong , Timothy Baldwin , Trevor Cohn , Karin Verspoor

Datasets are rarely a realistic approximation of the target population. Say, prevalence is misrepresented, image quality is above clinical standards, etc. This mismatch is known as sampling bias. Sampling biases are a major hindrance for…

The effects of language mismatch impact speech anti-spoofing systems, while investigations and quantification of these effects remain limited. Existing anti-spoofing datasets are mainly in English, and the high cost of acquiring…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-22 Tianchi Liu , Ivan Kukanov , Zihan Pan , Qiongqiong Wang , Hardik B. Sailor , Kong Aik Lee

Data abundance across different domains exhibits a long-tailed distribution: few domains have abundant data, while most face data scarcity. Our work focuses on a multilingual setting, where available data is heavily skewed towards…

Computation and Language · Computer Science 2025-03-11 Tianjian Li , Haoran Xu , Weiting Tan , Kenton Murray , Daniel Khashabi

Fine-tuning pre-trained models is a popular approach in machine learning for solving complex tasks with moderate data. However, fine-tuning the entire pre-trained model is ineffective in federated data scenarios where local data…

Machine Learning · Computer Science 2025-02-28 Pei-Yau Weng , Minh Hoang , Lam M. Nguyen , My T. Thai , Tsui-Wei Weng , Trong Nghia Hoang

Neural Machine Translation (NMT) models achieve state-of-the-art performance on many translation benchmarks. As an active research field in NMT, knowledge distillation is widely applied to enhance the model's performance by transferring…

Computation and Language · Computer Science 2021-05-28 Fusheng Wang , Jianhao Yan , Fandong Meng , Jie Zhou

ProBoost, a new boosting algorithm for probabilistic classifiers, is proposed in this work. This algorithm uses the epistemic uncertainty of each training sample to determine the most challenging/uncertain ones; the relevance of these…

Recent work has shown that language models' (LMs) prompt-based learning capabilities make them well suited for automating data labeling in domains where manual annotation is expensive. The challenge is that while writing an initial prompt…

Machine Learning · Computer Science 2023-07-21 Neel Guha , Mayee F. Chen , Kush Bhatia , Azalia Mirhoseini , Frederic Sala , Christopher Ré

Nested sampling is an important tool for conducting Bayesian analysis in Astronomy and other fields, both for sampling complicated posterior distributions for parameter inference, and for computing marginal likelihoods for model comparison.…

Instrumentation and Methods for Astrophysics · Physics 2021-06-30 Justin Alsing , Will Handley

Recent research has generated hope that inference scaling, such as resampling solutions until they pass verifiers like unit tests, could allow weaker models to match stronger ones. Beyond inference, this approach also enables training…

Machine Learning · Computer Science 2026-03-27 Benedikt Stroebl , Sayash Kapoor , Arvind Narayanan

Many real-world applications reveal difficulties in learning classifiers from imbalanced data. The rising big data era has been witnessing more classification tasks with large-scale but extremely imbalance and low-quality datasets. Most of…

Machine Learning · Computer Science 2020-10-20 Zhining Liu , Wei Cao , Zhifeng Gao , Jiang Bian , Hechang Chen , Yi Chang , Tie-Yan Liu