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Pathologists find tedious to examine the status of the sentinel lymph node on a large number of pathological scans. The examination process of such lymph node which encompasses metastasized cancer cells is histopathologically organized.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Amit Kumar Jaiswal , Ivan Panshin , Dimitrij Shulkin , Nagender Aneja , Samuel Abramov

Recently, road scene-graph representations used in conjunction with graph learning techniques have been shown to outperform state-of-the-art deep learning techniques in tasks including action classification, risk assessment, and collision…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Arnav Vaibhav Malawade , Shih-Yuan Yu , Brandon Hsu , Harsimrat Kaeley , Anurag Karra , Mohammad Abdullah Al Faruque

Metagenome, a mixture of different genomes (as a rule, bacterial), represents a pattern, and the analysis of its composition is, currently, one of the challenging problems of bioinformatics. In the present study, the possibility of…

Quantitative Methods · Quantitative Biology 2016-11-04 Valery Kirzhner , Zeev Volkovich , Renata Avros , Katerina Korenblat

Semantic relation prediction aims to mine the implicit relationships between objects in heterogeneous graphs, which consist of different types of objects and different types of links. In real-world scenarios, new semantic relations…

Machine Learning · Computer Science 2022-07-13 Pengfei Ding , Yan Wang , Guanfeng Liu , Xiaofang Zhou

Labeled sequence transduction is a task of transforming one sequence into another sequence that satisfies desiderata specified by a set of labels. In this paper we propose multi-space variational encoder-decoders, a new model for labeled…

Computation and Language · Computer Science 2019-10-08 Chunting Zhou , Graham Neubig

Learning high-level causal representations together with a causal model from unstructured low-level data such as pixels is impossible from observational data alone. We prove under mild assumptions that this representation is however…

Machine Learning · Statistics 2022-10-12 Johann Brehmer , Pim de Haan , Phillip Lippe , Taco Cohen

Algorithm selection using Metalearning aims to find mappings between problem characteristics (i.e. metafeatures) with relative algorithm performance to predict the best algorithm(s) for new datasets. Therefore, it is of the utmost…

Information Retrieval · Computer Science 2018-09-18 Tiago Cunha , Carlos Soares , André C. P. L. F. de Carvalho

Automatic representation learning of key entities in electronic health record (EHR) data is a critical step for healthcare informatics that turns heterogeneous medical records into structured and actionable information. Here we propose…

Machine Learning · Computer Science 2019-10-08 Tong Wu , Yunlong Wang , Yue Wang , Emily Zhao , Yilian Yuan , Zhi Yang

Distributed representations of medical concepts have been used to support downstream clinical tasks recently. Electronic Health Records (EHR) capture different aspects of patients' hospital encounters and serve as a rich source for…

Computation and Language · Computer Science 2020-01-07 Shaika Chowdhury , Chenwei Zhang , Philip S. Yu , Yuan Luo

In applied image segmentation tasks, the ability to provide numerous and precise labels for training is paramount to the accuracy of the model at inference time. However, this overhead is often neglected, and recently proposed segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Kuai Yu , Hakeem Frank , Daniel Wilson

Audio Word2Vec offers vector representations of fixed dimensionality for variable-length audio segments using Sequence-to-sequence Autoencoder (SA). These vector representations are shown to describe the sequential phonetic structures of…

Computation and Language · Computer Science 2018-02-20 Chia-Hao Shen , Janet Y. Sung , Hung-Yi Lee

Current self-supervised learning algorithms are often modality-specific and require large amounts of computational resources. To address these issues, we increase the training efficiency of data2vec, a learning objective that generalizes…

Machine Learning · Computer Science 2023-06-16 Alexei Baevski , Arun Babu , Wei-Ning Hsu , Michael Auli

Electron tomography (ET) allows high-resolution reconstructions of macromolecular complexes at nearnative state. Cellular structures segmentation in the reconstruction data from electron tomographic images is often required for analyzing…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Enze Zhang , Fa Zhang , Zhiyong Liu , Xiaohua Wan , Lifa Zhu

There is a growing need for sparse representational formats of human affective states that can be utilized in scenarios with limited computational memory resources. We explore whether representing neural data, in response to emotional…

Long-range contextual information is essential for achieving high-performance semantic segmentation. Previous feature re-weighting methods demonstrate that using global context for re-weighting feature channels can effectively improve the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Jianbo Liu , Junjun He , Jimmy S. Ren , Yu Qiao , Hongsheng Li

Meta learning methods have found success when applied to few shot classification problems, in which they quickly adapt to a small number of labeled examples. Prototypical representations, each representing a particular class, have been of…

Machine Learning · Computer Science 2020-07-21 Evan Vogelbaum , Rumen Dangovski , Li Jing , Marin Soljačić

The ability to quickly and accurately identify microbial species in a sample, known as metagenomic profiling, is critical across various fields, from healthcare to environmental science. This paper introduces a novel method to profile…

Genomics · Quantitative Biology 2025-04-10 Riselda Kodra , Hadjer Benmeziane , Irem Boybat , William Andrew Simon

Gene expression profiles obtained through DNA microarray have proven successful in providing critical information for cancer detection classifiers. However, the limited number of samples in these datasets poses a challenge to employ complex…

Machine Learning · Computer Science 2024-08-20 Arya Hadizadeh Moghaddam , Mohsen Nayebi Kerdabadi , Cuncong Zhong , Zijun Yao

Heterogeneous graphs are pervasive in practical scenarios, where each graph consists of multiple types of nodes and edges. Representation learning on heterogeneous graphs aims to obtain low-dimensional node representations that could…

Machine Learning · Computer Science 2021-01-01 Le Yu , Leilei Sun , Bowen Du , Chuanren Liu , Weifeng Lv , Hui Xiong

We present Column2Vec, a distributed representation of database columns based on column metadata. Our distributed representation has several applications. Using known names for groups of columns (i.e., a table name), we train a model to…

Databases · Computer Science 2019-03-21 Michael J. Mior , Alexander G. Ororbia