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In recent years, we have witnessed an increased interest in temporal modeling of patient records from large scale Electronic Health Records (EHR). While simpler RNN models have been used for such problems, memory networks, which in other…

机器学习 · 计算机科学 2020-07-15 Prithwish Chakraborty , Fei Wang , Jianying Hu , Daby Sow

The task of Stance Detection involves discerning the stance expressed in a text towards a specific subject or target. Prior works have relied on existing transformer models that lack the capability to prioritize targets effectively.…

计算与语言 · 计算机科学 2024-10-10 Krishna Garg , Cornelia Caragea

Multivariate time series modeling and prediction problems are abundant in many machine learning application domains. Accurate interpretation of such prediction outcomes from a machine learning model that explicitly captures temporal…

机器学习 · 计算机科学 2020-10-27 Tryambak Gangopadhyay , Sin Yong Tan , Zhanhong Jiang , Rui Meng , Soumik Sarkar

Transformer-based sequential recommendation (SR) has been booming in recent years, with the self-attention mechanism as its key component. Self-attention has been widely believed to be able to effectively select those informative and…

信息检索 · 计算机科学 2024-03-19 Peilin Zhou , Qichen Ye , Yueqi Xie , Jingqi Gao , Shoujin Wang , Jae Boum Kim , Chenyu You , Sunghun Kim

Time-series data in real-world medical settings typically exhibit long-range dependencies and are observed at non-uniform intervals. In such contexts, traditional sequence-based recurrent models struggle. To overcome this, researchers…

机器学习 · 统计学 2024-03-18 Fernando Moreno-Pino , Álvaro Arroyo , Harrison Waldon , Xiaowen Dong , Álvaro Cartea

Anomalies in multivariate time series often arise from temporal context and cross-channel coordination rather than isolated outliers. We present Pi-Transformer (Prior-Informed Transformer), a transformer with two attention pathways:…

机器学习 · 计算机科学 2026-03-20 Sepehr Maleki , Negar Pourmoazemi

Multivariate time series classification is of great importance in practical applications and is a challenging task. However, deep neural network models such as Transformers exhibit high accuracy in multivariate time series classification…

机器学习 · 计算机科学 2024-11-19 Mingsen Du , Yanxuan Wei , Yingxia Tang , Xiangwei Zheng , Shoushui Wei , Cun Ji

We investigate in-context temporal biases in attention heads and transformer outputs. Using cognitive science methodologies, we analyze attention scores and outputs of the GPT-2 models of varying sizes. Across attention heads, we observe…

机器学习 · 计算机科学 2025-02-12 Deven Mahesh Mistry , Anooshka Bajaj , Yash Aggarwal , Sahaj Singh Maini , Zoran Tiganj

Spike-based Transformer presents a compelling and energy-efficient alternative to traditional Artificial Neural Network (ANN)-based Transformers, achieving impressive results through sparse binary computations. However, existing spike-based…

神经与进化计算 · 计算机科学 2025-03-04 Donghyun Lee , Yuhang Li , Youngeun Kim , Shiting Xiao , Priyadarshini Panda

Supporting decision-making has long been a central vision in the field of spatio-temporal intelligence. While prior work has improved the timeliness and accuracy of spatio-temporal forecasting, converting these forecasts into actionable…

机器学习 · 计算机科学 2025-06-24 Shulun Chen , Wei Shao , Flora D. Salim , Hao Xue

Recent work on encoder-decoder models for sequence-to-sequence mapping has shown that integrating both temporal and spatial attention mechanisms into neural networks increases the performance of the system substantially. In this work, we…

机器学习 · 计算机科学 2017-08-04 Stefan Braun , Daniel Neil , Enea Ceolini , Jithendar Anumula , Shih-Chii Liu

At present, people usually use some methods based on convolutional neural networks (CNNs) for Electroencephalograph (EEG) decoding. However, CNNs have limitations in perceiving global dependencies, which is not adequate for common EEG…

信号处理 · 电气工程与系统科学 2021-06-23 Yonghao Song , Xueyu Jia , Lie Yang , Longhan Xie

Automatic Speech Recognition (ASR) systems, such as Whisper, achieve high transcription accuracy but struggle with named entities and numerical data, especially when proper formatting is required. These issues increase word error rate (WER)…

计算与语言 · 计算机科学 2025-07-01 Duygu Altinok

This paper presents a new method for anomaly detection in automated systems with time and compute sensitive requirements, such as autonomous driving, with unparalleled efficiency. As systems like autonomous driving become increasingly…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Andrew Gao , Jun Liu

Smart grid infrastructure needs improved resilience and preventive maintenance through more accurate predictions. Current methodologies lack accurate representation of spatio-temporal-causal interdependencies and class imbalance in failure…

系统与控制 · 电气工程与系统科学 2026-01-07 Anh Le , Phat K. Huynh , Om P. Yadav , Harun Pirim , Chau Le , Trung Q. Le

Triggered by the success of transformers in various visual tasks, the spatial self-attention mechanism has recently attracted more and more attention in the computer vision community. However, we empirically found that a typical vision…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Jiayin Sun , Hong Wang , Qiulei Dong

Given an object of interest, visual navigation aims to reach the object's location based on a sequence of partial observations. To this end, an agent needs to 1) learn a piece of certain knowledge about the relations of object categories in…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Xiaobo Hu , Youfang Lin , HeHe Fan , Shuo Wang , Zhihao Wu , Kai Lv

Early identification of intensive care patients at risk of in-hospital mortality enables timely intervention and efficient resource allocation. Despite high predictive performance, existing machine learning approaches lack transparency and…

机器学习 · 计算机科学 2025-11-21 Alexander Bakumenko , Janine Hoelscher , Hudson Smith

The personalized recommendation is an essential part of modern e-commerce, where user's demands are not only conditioned by their profile but also by their recent browsing behaviors as well as periodical purchases made some time ago. In…

信息检索 · 计算机科学 2022-02-08 Jiarui Jin , Xianyu Chen , Weinan Zhang , Junjie Huang , Ziming Feng , Yong Yu

Transformer-based models have demonstrated considerable potential for source code modeling tasks in software engineering. However, they are limited by their dependence solely on automatic self-attention weight learning mechanisms. Previous…

软件工程 · 计算机科学 2024-02-27 Jiri Gesi , Iftekhar Ahmed