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Continuous-time stochastic processes pervade everyday experience, and the simulation of models of these processes is of great utility. Classical models of systems operating in continuous-time must typically track an unbounded amount of…

量子物理 · 物理学 2018-03-05 Thomas J. Elliott , Mile Gu

Today, very large amounts of data are produced and stored in all branches of society including science. Mining these data meaningfully has become a considerable challenge and is of the broadest possible interest. The size, both in numbers…

分布式、并行与集群计算 · 计算机科学 2020-06-11 Andreas Vitalis

Utility-driven mining is an important task in data science and has many applications in real life. High utility sequential pattern mining (HUSPM) is one kind of utility-driven mining. HUSPM aims to discover all sequential patterns with high…

数据库 · 计算机科学 2021-12-01 Gengsen Huang , Wensheng Gan , Jian Weng , Philip S. Yu

We introduce PRISM (Predictive Reasoning in Sequential Medicine), a transformer-based architecture designed to model the sequential progression of clinical decision-making processes. Unlike traditional approaches that rely on isolated…

计算与语言 · 计算机科学 2025-06-16 Lionel Levine , John Santerre , Alex S. Young , T. Barry Levine , Francis Campion , Majid Sarrafzadeh

Long Short-Term Memory (LSTM) is a popular approach to boosting the ability of Recurrent Neural Networks to store longer term temporal information. The capacity of an LSTM network can be increased by widening and adding layers. However,…

机器学习 · 统计学 2017-12-14 Zhen He , Shaobing Gao , Liang Xiao , Daxue Liu , Hangen He , David Barber

Medical image segmentation is essential for clinical diagnosis and treatment planning. Although transformer-based methods have achieved remarkable results, their high computational cost hinders clinical deployment. To address this issue, we…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Yaxuan Jiao , Qing Xu , Yuxiang Luo , Xiangjian He , Zhen Chen , Wenting Duan

Memory enables Large Language Model (LLM) agents to perceive, store, and use information from past dialogues, which is essential for personalization. However, existing methods fail to properly model the temporal dimension of memory in two…

人工智能 · 计算机科学 2026-01-13 Miao Su , Yucan Guo , Zhongni Hou , Long Bai , Zixuan Li , Yufei Zhang , Guojun Yin , Wei Lin , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng

When neural circuits learn to perform a task, it is often the case that there are many sets of synaptic connections that are consistent with the task. However, only a small number of possible solutions are robust to noise in the input and…

神经元与认知 · 定量生物学 2022-05-31 Ran Rubin , Haim Sompolinsky

Spiking Neural Networks (SNNs) hold great potential to realize brain-inspired, energy-efficient computational systems. However, current SNNs still fall short in terms of multi-scale temporal processing compared to their biological…

神经与进化计算 · 计算机科学 2024-08-28 Xinyi Chen , Jibin Wu , Chenxiang Ma , Yinsong Yan , Yujie Wu , Kay Chen Tan

Stochastic Process Model has many applications in analysis of longitudinal biodemographic data. Such data contain various physiological variables (sometimes known as covariates). It also can potentially contain genetic information available…

种群与进化 · 定量生物学 2016-05-31 Ilya Zhbannikov , Konstantin Arbeev , Anatoliy Yashin

Spiking Neural Networks (SNNs) have attracted significant attention from researchers across various domains due to their brain-like information processing mechanism. However, SNNs typically grapple with challenges such as extended time…

神经与进化计算 · 计算机科学 2023-10-24 Yiting Dong , Dongcheng Zhao , Yi Zeng

Processing-In-Memory (PIM) is a novel approach that augments existing DRAM memory chips with lightweight logic. By allowing to offload computations to the PIM system, this architecture allows for circumventing the data-bottleneck problem…

分布式、并行与集群计算 · 计算机科学 2024-01-18 André Lopes , Daniel Castro , Paolo Romano

Spatiotemporal data mining (STDM) has a wide range of applications in various complex physical systems (CPS), i.e., transportation, manufacturing, healthcare, etc. Among all the proposed methods, the Convolutional Long Short-Term Memory…

机器学习 · 计算机科学 2025-11-19 Junfeng Wu , Hadjer Benmeziane , Kaoutar El Maghraoui , Liu Liu , Yinan Wang

Time series forecasting is a subject of significant scientific and industrial importance. Despite the widespread utilization of forecasting methods, there is a dearth of research aimed at comprehending the conditions under which these…

机器学习 · 计算机科学 2024-10-23 Moisés Santos , André de Carvalho , Carlos Soares

High utility sequential pattern mining (HUSPM) aims to mine all patterns that yield a high utility (profit) in a sequence dataset. HUSPM is useful for several applications such as market basket analysis, marketing, and website clickstream…

数据库 · 计算机科学 2023-02-23 Tai Dinh , Philippe Fournier-Viger , Huynh Van Hong

The recent increase in the availability of medical data, possible through automation and digitization of medical equipment, has enabled more accurate and complete analysis on patients' medical data through many branches of data science. In…

Time series modeling is a well-established problem, which often requires that methods (1) expressively represent complicated dependencies, (2) forecast long horizons, and (3) efficiently train over long sequences. State-space models (SSMs)…

机器学习 · 计算机科学 2023-03-17 Michael Zhang , Khaled K. Saab , Michael Poli , Tri Dao , Karan Goel , Christopher Ré

With a user-specified minimum utility threshold (minutil), periodic high-utility pattern mining (PHUPM) aims to identify high-utility patterns that occur periodically in a transaction database. A pattern is deemed periodic if its period…

数据库 · 计算机科学 2025-09-22 Qingfeng Zhou , Wensheng Gan , Guoting Chen

Recent advances in transformer architectures have revolutionised natural language processing, but their application to healthcare domains presents unique challenges. Patient timelines are characterised by irregular sampling, variable…

计算与语言 · 计算机科学 2025-05-26 Linglong Qian , Zina Ibrahim

Large language models (LLMs) have emerged as promising tools for assisting in medical tasks, yet processing Electronic Health Records (EHRs) presents unique challenges due to their longitudinal nature. While LLMs' capabilities to perform…

人工智能 · 计算机科学 2025-03-07 Hejie Cui , Alyssa Unell , Bowen Chen , Jason Alan Fries , Emily Alsentzer , Sanmi Koyejo , Nigam Shah