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Electronic records contain sequences of events, some of which take place all at once in a single visit, and others that are dispersed over multiple visits, each with a different timestamp. We postulate that fine temporal detail, e.g.,…

机器学习 · 计算机科学 2019-04-30 Mohammad Taha Bahadori , Zachary Chase Lipton

This paper introduces a framework specifically designed for sparse and irregular time series {risk estimation}. It is based on a Transformer Autoencoder with local attention, which leverages the powerful pattern identification capabilities…

机器学习 · 计算机科学 2026-05-12 Panteleimon Rodis

Event cameras action recognition (EAR) offers compelling privacy-protecting and efficiency advantages, where temporal motion dynamics is of great importance. Existing spatiotemporal multi-view representation learning (SMVRL) methods for…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Rui Fan , Weidong Hao

Automatic Speech Recognition (ASR) using multiple microphone arrays has achieved great success in the far-field robustness. Taking advantage of all the information that each array shares and contributes is crucial in this task. Motivated by…

计算与语言 · 计算机科学 2019-02-20 Xiaofei Wang , Ruizhi Li , Sri Harish Mallid , Takaaki Hori , Shinji Watanabe , Hynek Hermansky

Self-attention has recently been adopted for a wide range of sequence modeling problems. Despite its effectiveness, self-attention suffers from quadratic compute and memory requirements with respect to sequence length. Successful approaches…

机器学习 · 计算机科学 2020-10-27 Aurko Roy , Mohammad Saffar , Ashish Vaswani , David Grangier

The Transformer model architecture has become one of the most widely used in deep learning and the attention mechanism is at its core. The standard attention formulation uses a softmax operation applied to a scaled dot product between query…

机器学习 · 计算机科学 2026-04-02 Hariprasath Govindarajan , Per Sidén , Jacob Roll , Fredrik Lindsten

Predicting road traffic speed is a challenging task due to different types of roads, abrupt speed change and spatial dependencies between roads; it requires the modeling of dynamically changing spatial dependencies among roads and temporal…

机器学习 · 计算机科学 2020-10-21 Cheonbok Park , Chunggi Lee , Hyojin Bahng , Yunwon Tae , Kihwan Kim , Seungmin Jin , Sungahn Ko , Jaegul Choo

Electronic health record (EHR) data has emerged as a valuable resource for analyzing patient health status. However, the prevalence of missing data in EHR poses significant challenges to existing methods, leading to spurious correlations…

机器学习 · 计算机科学 2024-05-16 Zhihao Yu , Xu Chu , Yujie Jin , Yasha Wang , Junfeng Zhao

Human understanding of video dynamics relies on forming structured representations of entities, actions, and temporal relations before engaging in abstract reasoning. In contrast, existing Video-LLMs apply unstructured chain-of-thought…

计算与语言 · 计算机科学 2026-05-08 Zinuo Li , Yongxin Guo , Jun Liu , Jiawei Zhan , Xi Jiang , Chengjie Wang , Mohammed Bennamoun , Farid Boussaid , Feng Zheng , Qiuhong Ke

Test-Time Adaptation (TTA) enables pre-trained models to adjust to distribution shift by learning from unlabeled test-time streams. However, existing methods typically treat these streams as independent samples, overlooking the supervisory…

机器学习 · 计算机科学 2026-01-30 Young Kyung Kim , Oded Schlesinger , Qiangqiang Wu , J. Matías Di Martino , Guillermo Sapiro

Pretrained transformers readily adapt to new sequence modeling tasks via zero-shot prompting, but relational domains still lack architectures that transfer across datasets and tasks. The core challenge is the diversity of relational data,…

Embeddings of medical concepts such as medication, procedure and diagnosis codes in Electronic Medical Records (EMRs) are central to healthcare analytics. Previous work on medical concept embedding takes medical concepts and EMRs as words…

计算与语言 · 计算机科学 2018-06-11 Xiangrui Cai , Jinyang Gao , Kee Yuan Ngiam , Beng Chin Ooi , Ying Zhang , Xiaojie Yuan

We present a comprehensive analysis of deep learning approaches for Electronic Health Record (EHR) time-series imputation, examining how architectural and framework biases combine to influence model performance. Our investigation reveals…

机器学习 · 计算机科学 2025-02-05 Linglong Qian , Tao Wang , Jun Wang , Hugh Logan Ellis , Robin Mitra , Richard Dobson , Zina Ibrahim

Pretrained language models based on the transformer architecture have shown great success in NLP. Textual training data often comes from the web and is thus tagged with time-specific information, but most language models ignore this…

计算与语言 · 计算机科学 2022-05-05 Guy D. Rosin , Kira Radinsky

With the wide application of electronic health records (EHR) in healthcare facilities, health event prediction with deep learning has gained more and more attention. A common feature of EHR data used for deep-learning-based predictions is…

机器学习 · 计算机科学 2021-12-17 Chang Lu , Tian Han , Yue Ning

We propose TAMER, a Test-time Adaptive MoE-driven framework for Electronic Health Record (EHR) Representation learning. TAMER introduces a framework where a Mixture-of-Experts (MoE) architecture is co-designed with Test-Time Adaptation…

机器学习 · 计算机科学 2025-03-19 Yinghao Zhu , Xiaochen Zheng , Ahmed Allam , Michael Krauthammer

Current Spiking Neural Networks (SNNs) underutilize the temporal dynamics inherent in spike-based processing, relying primarily on rate coding while overlooking precise timing information that provides rich computational cues. We propose…

机器学习 · 计算机科学 2025-08-11 Minsuk Jang , Changick Kim

Research is a tertiary priority in the EHR, where the priorities are patient care and billing. Because of this, the data is not standardized or formatted in a manner easily adapted to machine learning approaches. Data may be missing for a…

机器学习 · 计算机科学 2017-07-25 Brett K. Beaulieu-Jones

Graph attention networks (GATs) provide one of the best frameworks for learning node representations in relational data; but, existing variants such as Graph Attention Network (GAT) mainly operate on static graphs and rely on implicit…

机器学习 · 计算机科学 2026-04-14 Ami Chopra , Supriya Bordoloi , Shyamanta M. Hazarika

Electronic health records (EHRs) are invaluable for clinical research, yet privacy concerns severely restrict data sharing. Synthetic data generation offers a promising solution, but EHRs present unique challenges: they contain both…

机器学习 · 计算机科学 2026-03-26 Shaonan Liu , Yuichiro Iwashita , Soichiro Nakako , Masakazu Iwamura , Koichi Kise