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We propose a new class of parameterizations for spatio-temporal point processes which leverage Neural ODEs as a computational method and enable flexible, high-fidelity models of discrete events that are localized in continuous time and…

机器学习 · 计算机科学 2021-03-19 Ricky T. Q. Chen , Brandon Amos , Maximilian Nickel

Marked Temporal Point Processes (MTPPs) arise naturally in medical, social, commercial, and financial domains. However, existing Transformer-based methods mostly inject temporal information only via positional encodings, relying on shared…

机器学习 · 计算机科学 2026-03-25 Xinzi Tan , Kejian Zhang , Junhan Yu , Doudou Zhou

Temporal point processes (TPPs) provide a natural mathematical framework for modeling heartbeats due to capturing underlying physiological inductive biases. In this work, we apply density-based neural TPPs to model heartbeat dynamics from…

组织与器官 · 定量生物学 2025-12-01 Sandya Subramanian , Bharath Ramsundar

Many real-world objects can be modeled as a stream of events on the nodes of a graph. In this paper, we propose a class of graphical event models named temporal point process graphical models for representing the temporal dependencies among…

统计方法学 · 统计学 2021-10-25 Yalong Lyu , Huiyuan Wang , Wei Lin

In this work, we identify open research opportunities in applying Neural Temporal Point Process (NTPP) models to industry scale customer behavior data by carefully reproducing NTPP models published up to date on known literature benchmarks…

机器学习 · 计算机科学 2022-08-19 Dominykas Šeputis , Jevgenij Gamper , Remigijus Paulavičius

Temporal point process is widely used for sequential data modeling. In this paper, we focus on the problem of modeling sequential event propagation in graph, such as retweeting by social network users, news transmitting between websites,…

社会与信息网络 · 计算机科学 2020-05-06 Weichang Wu , Huanxi Liu , Xiaohu Zhang , Yu Liu , Hongyuan Zha

Attention guides our gaze to fixate the proper location of the scene and holds it in that location for the deserved amount of time given current processing demands, before shifting to the next one. As such, gaze deployment crucially is a…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Alessandro D'Amelio , Giuseppe Cartella , Vittorio Cuculo , Manuele Lucchi , Marcella Cornia , Rita Cucchiara , Giuseppe Boccignone

Temporal point processes are powerful generative models for event sequences that capture complex dependencies in time-series data. They are commonly specified using autoregressive models that learn the distribution of the next event from…

机器学习 · 计算机科学 2025-10-24 Marin Biloš , Anderson Schneider , Yuriy Nevmyvaka

Temporal point process as the stochastic process on continuous domain of time is commonly used to model the asynchronous event sequence featuring with occurrence timestamps. Thanks to the strong expressivity of deep neural networks, they…

机器学习 · 计算机科学 2024-12-25 Haitao Lin , Cheng Tan , Lirong Wu , Zhangyang Gao , Zicheng Liu , Stan. Z. Li

Forecasting multiple future events within a given time horizon is essential for applications in finance, retail, social networks, and healthcare. Marked Temporal Point Processes (MTPP) provide a principled framework to model both the timing…

机器学习 · 计算机科学 2025-08-05 Ivan Karpukhin , Foma Shipilov , Andrey Savchenko

Marked Temporal Point Processes (MTPPs) provide a principled framework for modeling asynchronous event sequences by conditioning on the history of past events. However, most existing MTPP models rely on channel-mixing strategies that encode…

机器学习 · 计算机科学 2025-11-11 Wang-Tao Zhou , Zhao Kang , Ke Yan , Ling Tian

This work investigates the problem of learning temporal interaction networks. A temporal interaction network consists of a series of chronological interactions between users and items. Previous methods tackle this problem by using different…

社会与信息网络 · 计算机科学 2021-07-09 Jiangxia Cao , Xixun Lin , Xin Cong , Shu Guo , Hengzhu Tang , Tingwen Liu , Bin Wang

Marked Temporal Point Process (MTPP) has been well studied to model the event distribution in marked event streams, which can be used to predict the mark and arrival time of the next event. However, existing studies overlook that the…

机器学习 · 计算机科学 2025-10-27 Sishun Liu , Ke Deng , Yongli Ren , Yan Wang , Xiuzhen Zhang

The large volumes of data generated by human activities such as online purchases, health records, spatial mobility etc. are stored as a sequence of events over a continuous time. Learning deep learning methods over such sequences is a…

机器学习 · 计算机科学 2021-11-16 Vinayak Gupta

In real-world scenario, many phenomena produce a collection of events that occur in continuous time. Point Processes provide a natural mathematical framework for modeling these sequences of events. In this survey, we investigate…

Understanding the temporal properties of longitudinal data is critical for identifying trends, predicting future events, and making informed decisions in any field where temporal data is analysed, including health and epidemiology, finance,…

Temporal Point Processes (TPPs), especially Hawkes Process are commonly used for modeling asynchronous event sequences data such as financial transactions and user behaviors in social networks. Due to the strong fitting ability of neural…

机器学习 · 计算机科学 2024-05-14 Anningzhe Gao , Shan Dai

Marked event data captures events by recording their continuous-valued occurrence timestamps along with their corresponding discrete-valued types. They have appeared in various real-world scenarios such as social media, financial…

机器学习 · 计算机科学 2024-10-28 Hui Chen , Xuhui Fan , Hengyu Liu , Longbing Cao

Statistical depth, a commonly used analytic tool in non-parametric statistics, has been extensively studied for multivariate and functional observations over the past few decades. Although various forms of depth were introduced, they are…

统计方法学 · 统计学 2019-09-30 Weilong Zhao , Zishen Xu , Yun Yang , Wei Wu

In this work, we study the task of estimating the numbers of distinct and $k$-occurring items in a time window under the constraint of differential privacy (DP). We consider several variants depending on whether the queries are on general…

数据结构与算法 · 计算机科学 2022-11-22 Badih Ghazi , Ravi Kumar , Pasin Manurangsi , Jelani Nelson