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Positive-Unlabelled (PU) learning is a growing field of machine learning that aims to learn classifiers from data consisting of labelled positive and unlabelled instances, which can be in reality positive or negative, but whose label is…

Machine Learning · Computer Science 2024-01-15 Jack D. Saunders , Alex A. Freitas

Gene prioritization (identifying genes potentially associated with a biological process) is increasingly tackled with Artificial Intelligence. However, existing methods struggle with the high dimensionality and incomplete labelling of…

Positive-Unlabelled (PU) learning is a growing area of machine learning that aims to learn classifiers from data consisting of labelled positive and unlabelled instances. Whilst much work has been done proposing methods for PU learning,…

Machine Learning · Computer Science 2022-06-07 Jack D. Saunders , Alex , A. Freitas

Elucidating the genetic basis of human diseases is a central goal of genetics and molecular biology. While traditional linkage analysis and modern high-throughput techniques often provide long lists of tens or hundreds of disease gene…

Quantitative Methods · Quantitative Biology 2011-06-03 Fantine Mordelet , Jean-Philippe Vert

Positive-Unlabeled (PU) Learning is a challenge presented by binary classification problems where there is an abundance of unlabeled data along with a small number of positive data instances, which can be used to address chronic disease…

Machine Learning · Computer Science 2023-09-08 Yang Wu , Xurui Li , Xuhong Zhang , Yangyang Kang , Changlong Sun , Xiaozhong Liu

Gene-disease associations are fundamental for understanding disease etiology and developing effective interventions and treatments. Identifying genes not yet associated with a disease due to a lack of studies is a challenging task in which…

Machine Learning · Computer Science 2023-03-08 Paola Stolfi , Andrea Mastropietro , Giuseppe Pasculli , Paolo Tieri , Davide Vergni

In this work, we consider the task of classifying binary positive-unlabeled (PU) data. The existing discriminative learning based PU models attempt to seek an optimal reweighting strategy for U data, so that a decent decision boundary can…

Machine Learning · Computer Science 2018-04-05 Ming Hou , Brahim Chaib-draa , Chao Li , Qibin Zhao

Training of deep models for classification tasks is hindered by local minima problems and vanishing gradients, while unsupervised layer-wise pretraining does not exploit information from class labels. Here, we propose a new regularization…

Machine Learning · Computer Science 2019-11-07 Pavel Sulimov , Elena Sukmanova , Roman Chereshnev , Attila Kertesz-Farkas

Dynamic treatment regimens (DTRs) aim at tailoring individualized sequential treatment rules that maximize cumulative beneficial outcomes by accommodating patients' heterogeneity in decision-making. For many chronic diseases including type…

Methodology · Statistics 2024-04-23 Mochuan Liu , Yuanjia Wang , Haoda Fu , Donglin Zeng

Identifying disease-associated genes enables the development of precision medicine and the understanding of biological processes. Genome-wide association studies (GWAS), gene expression data, biological pathway analysis, and protein network…

Genomics · Quantitative Biology 2026-03-10 Muhammad Muneeb , David B. Ascher , YooChan Myung

The \textit{de facto} paradigm for applying dense retrieval (DR) to new tasks involves fine-tuning a pre-trained model for a specific task. However, this paradigm has two significant limitations: (1) It is difficult adapt the DR to a new…

Information Retrieval · Computer Science 2026-02-27 Zhan Su , Fengran Mo , Jinghan Zhang , Yuchen Hui , Jia Ao Sun , Bingbing Wen , Jian-Yun Nie

Standard reinforcement learning (RL) optimizes policies for reward but imposes few constraints on how decisions evolve over time. As a result, policies may achieve high performance while exhibiting temporally incoherent behavior such as…

Machine Learning · Computer Science 2026-04-24 Sukesh Subaharan

The broad set of deep generative models (DGMs) has achieved remarkable advances. However, it is often difficult to incorporate rich structured domain knowledge with the end-to-end DGMs. Posterior regularization (PR) offers a principled…

Machine Learning · Computer Science 2018-11-21 Zhiting Hu , Zichao Yang , Ruslan Salakhutdinov , Xiaodan Liang , Lianhui Qin , Haoye Dong , Eric Xing

The increasing focus on predicting renewable energy production aligns with advancements in deep learning (DL). The inherent variability of renewable sources and the complexity of prediction methods require robust approaches, such as DL…

Machine Learning · Computer Science 2025-12-05 Haibo Wang , Jun Huang , Lutfu Sua , Bahram Alidaee

In recent years, ML algorithms have been shown to be useful for predicting diseases based on health data and posed a potential application area for these algorithms such as modeling of diseases. The majority of these applications employ…

Machine Learning · Computer Science 2024-12-24 Elham Musaaed , Nabil Hewahi , Abdulla Alasaadi

Distantly supervised named entity recognition (DS-NER) has been proposed to exploit the automatically labeled training data by external knowledge bases instead of human annotations. However, it tends to suffer from a high false negative…

Computation and Language · Computer Science 2025-04-08 Yuzhe Zhang , Min Cen , Hong Zhang

Human visual system is modeled in engineering field providing feature-engineered methods which detect contrasted/surprising/unusual data into images. This data is "interesting" for humans and leads to numerous applications. Deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-09-24 Matei Mancas , Phutphalla Kong , Bernard Gosselin

Positive-Unlabeled (PU) learning aims to learn a model with rare positive samples and abundant unlabeled samples. Compared with classical binary classification, the task of PU learning is much more challenging due to the existence of many…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Chengming Xu , Chen Liu , Siqian Yang , Yabiao Wang , Shijie Zhang , Lijie Jia , Yanwei Fu

Diabetic Retinopathy (DR) is a serious and common complication of diabetes, caused by prolonged high blood sugar levels that damage the small retinal blood vessels. If left untreated, DR can progress to retinal vein occlusion and stimulate…

Image and Video Processing · Electrical Eng. & Systems 2025-04-07 Mohammad Reza Yousefi , Ali Bakrani , Amin Dehghani

Diabetic retinopathy (DR) is a complication of diabetes and usually takes decades to reach sight-threatening levels. Accurate and robust detection of DR severity is critical for the timely management and treatment of diabetes. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Qinkai Yu , Jianyang Xie , Anh Nguyen , He Zhao , Jiong Zhang , Huazhu Fu , Yitian Zhao , Yalin Zheng , Yanda Meng
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