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Variational autoencoder (VAE) and generative adversarial networks (GAN) have found widespread applications in clustering and have achieved significant success. However, the potential of these approaches may be limited due to VAE's mediocre…

Machine Learning · Computer Science 2023-12-14 Jie Yan , Jing Liu , Zhong-yuan Zhang

We consider the problem of handling missing data with deep latent variable models (DLVMs). First, we present a simple technique to train DLVMs when the training set contains missing-at-random data. Our approach, called MIWAE, is based on…

Machine Learning · Statistics 2019-02-05 Pierre-Alexandre Mattei , Jes Frellsen

We consider a semiparametric mixture of two univariate density functions where one of them is known while the weight and the other function are unknown. Such mixtures have a history of application to the problem of detecting differentially…

Statistics Theory · Mathematics 2017-08-01 Zhou Shen , Michael Levine , Zuofeng Shang

Deep convolutional neural networks have proven their effectiveness, and have been acknowledged as the most dominant method for image classification. However, a severe drawback of deep convolutional neural networks is poor explainability.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Bin Wang , Wenbin Pei , Bing Xue , Mengjie Zhang

Accurate identification of protein-nucleotide binding sites is fundamental to deciphering molecular mechanisms and accelerating drug discovery. However, current computational methods often struggle with suboptimal performance due to…

Machine Learning · Computer Science 2026-03-17 Yiming Gao , Liuyi Xu , Pengshan Cui , Yining Qian , An-Yang Lu , Xianpeng Wang

Learning generic and robust feature representations with data from multiple domains for the same problem is of great value, especially for the problems that have multiple datasets but none of them are large enough to provide abundant data…

Computer Vision and Pattern Recognition · Computer Science 2016-04-27 Tong Xiao , Hongsheng Li , Wanli Ouyang , Xiaogang Wang

Predicting smartphone users location with WiFi fingerprints has been a popular research topic recently. In this work, we propose two novel deep learning-based models, the convolutional mixture density recurrent neural network and the…

Machine Learning · Computer Science 2021-03-17 Weizhu Qian , Fabrice Lauri , Franck Gechter

The genetic structure of human populations is extraordinarily complex and of fundamental importance to studies of anthropology, evolution, and medicine. As increasingly many individuals are of mixed origin, there is an unmet need for tools…

The integration of knowledge graphs and graph machine learning (GML) in genomic data analysis offers several opportunities for understanding complex genetic relationships, especially at the RNA level. We present a comprehensive approach for…

Artificial Intelligence · Computer Science 2024-08-06 Shivika Prasanna , Ajay Kumar , Deepthi Rao , Eduardo Simoes , Praveen Rao

DNA is now routinely used in criminal investigations and court cases, although DNA samples taken at crime scenes are of varying quality and therefore present challenging problems for their interpretation. We present a statistical model for…

Methodology · Statistics 2013-12-11 R. G. Cowell , T. Graversen , S. Lauritzen , J. Mortera

Decomposition has been the mainstream approach in classic mathematical programming for multi-objective optimization and multi-criterion decision-making. However, it was not properly studied in the context of evolutionary multi-objective…

Neural and Evolutionary Computing · Computer Science 2024-10-23 Ke Li

These years much effort has been devoted to improving the accuracy or relevance of the recommendation system. Diversity, a crucial factor which measures the dissimilarity among the recommended items, received rather little scrutiny.…

Information Retrieval · Computer Science 2021-08-17 Yu Zheng , Chen Gao , Liang Chen , Depeng Jin , Yong Li

The advent of 6G/NextG networks comes along with a series of benefits, including extreme capacity, reliability, and efficiency. However, these networks may become vulnerable to new security threats. Therefore, 6G/NextG networks must be…

Machine Learning · Computer Science 2025-05-16 Loukas Ilias , George Doukas , Vangelis Lamprou , Christos Ntanos , Dimitris Askounis

Gene expression and DNA methylation are two interconnected biological processes and understanding their relationship is important in advancing understanding in diverse areas, including disease pathogenesis, environmental adaptation,…

De novo molecule generation allows the search for more drug-like hits across a vast chemical space. However, lead optimization is still required, and the process of optimizing molecular structures faces the challenge of balancing structural…

Machine Learning · Computer Science 2026-05-12 Jiebin Fang , Churu Mao , Yuchen Zhu , Xiaoming Chen , Chang-Yu Hsieh , Zhongjun Ma

A common problem in bioinformatics is related to identifying gene regulatory regions marked by relatively high frequencies of motifs, or deoxyribonucleic acid sequences that often code for transcription and enhancer proteins. Predicting…

Genomics · Quantitative Biology 2021-01-22 Ethan Jacob Moyer , Anup Das

Deep neural networks (DNN) are increasingly being used to perform algorithm-selection in combinatorial optimisation domains, particularly as they accommodate input representations which avoid designing and calculating features. Mounting…

Neural and Evolutionary Computing · Computer Science 2024-06-25 Emma Hart , Quentin Renau , Kevin Sim , Mohamad Alissa

Deep neural networks (DNN) have been used successfully in many scientific problems for their high prediction accuracy, but their application to genetic studies remains challenging due to their poor interpretability. In this paper, we…

Machine Learning · Computer Science 2021-10-01 Peyman H. Kassani , Fred Lu , Yann Le Guen , Zihuai He

DNA methylation datasets in cancer studies are comprised of measurements on a large number of genomic locations called cytosine-phosphate-guanine (CpG) sites with complex correlation structures. A fundamental goal of these studies is the…

Methodology · Statistics 2023-05-05 Chiyu Gu , Veerabhadran Baladandayuthapani , Subharup Guha

Gene promoters are the key DNA regulatory elements positioned around the transcription start sites and are responsible for regulating gene transcription process. Various alignment-based, signal-based and content-based approaches are…

Genomics · Quantitative Biology 2021-05-18 Nikita Bhandari , Satyajeet Khare , Rahee Walambe , Ketan Kotecha