Deep learning for insider threat detection: Review, challenges and opportunities

S Yuan, X Wu - Computers & Security, 2021 - Elsevier
Insider threats, as one type of the most challenging threats in cyberspace, usually cause
significant loss to organizations. While the problem of insider threat detection has been …

Neural temporal point processes: A review

O Shchur, AC Türkmen, T Januschowski… - arXiv preprint arXiv …, 2021 - arxiv.org
Temporal point processes (TPP) are probabilistic generative models for continuous-time
event sequences. Neural TPPs combine the fundamental ideas from point process literature …

Time2vec: Learning a vector representation of time

SM Kazemi, R Goel, S Eghbali, J Ramanan… - arXiv preprint arXiv …, 2019 - arxiv.org
Time is an important feature in many applications involving events that occur synchronously
and/or asynchronously. To effectively consume time information, recent studies have …

Transformer hawkes process

S Zuo, H Jiang, Z Li, T Zhao… - … conference on machine …, 2020 - proceedings.mlr.press
Modern data acquisition routinely produce massive amounts of event sequence data in
various domains, such as social media, healthcare, and financial markets. These data often …

Deep reinforcement learning

SE Li - Reinforcement learning for sequential decision and …, 2023 - Springer
Similar to humans, RL agents use interactive learning to successfully obtain satisfactory
decision strategies. However, in many cases, it is desirable to learn directly from …

Self-attentive Hawkes process

Q Zhang, A Lipani, O Kirnap… - … conference on machine …, 2020 - proceedings.mlr.press
Capturing the occurrence dynamics is crucial to predicting which type of events will happen
next and when. A common method to do this is through Hawkes processes. To enhance …

Intensity-free learning of temporal point processes

O Shchur, M Biloš, S Günnemann - arXiv preprint arXiv:1909.12127, 2019 - arxiv.org
Temporal point processes are the dominant paradigm for modeling sequences of events
happening at irregular intervals. The standard way of learning in such models is by …

Fully neural network based model for general temporal point processes

T Omi, K Aihara - Advances in neural information …, 2019 - proceedings.neurips.cc
A temporal point process is a mathematical model for a time series of discrete events, which
covers various applications. Recently, recurrent neural network (RNN) based models have …

Hawkes process modeling of COVID-19 with mobility leading indicators and spatial covariates

WH Chiang, X Liu, G Mohler - International journal of forecasting, 2022 - Elsevier
Hawkes processes are used in statistical modeling for event clustering and causal inference,
while they also can be viewed as stochastic versions of popular compartmental models used …

Add and thin: Diffusion for temporal point processes

D Lüdke, M Biloš, O Shchur… - Advances in Neural …, 2024 - proceedings.neurips.cc
Autoregressive neural networks within the temporal point process (TPP) framework have
become the standard for modeling continuous-time event data. Even though these models …