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Point Processes

41 papers with code · Methodology

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Tick: a Python library for statistical learning, with a particular emphasis on time-dependent modelling

10 Jul 2017X-DataInitiative/tick

Tick is a statistical learning library for Python~3, with a particular emphasis on time-dependent models, such as point processes, and tools for generalized linear models and survival analysis.

POINT PROCESSES SURVIVAL ANALYSIS

Explaining Machine Learning Classifiers through Diverse Counterfactual Explanations

19 May 2019microsoft/DiCE

Post-hoc explanations of machine learning models are crucial for people to understand and act on algorithmic predictions.

POINT PROCESSES

Neural Jump Stochastic Differential Equations

NeurIPS 2019 mitmath/18S096SciML

Many time series are effectively generated by a combination of deterministic continuous flows along with discrete jumps sparked by stochastic events.

POINT PROCESSES TIME SERIES

On two ways to use determinantal point processes for Monte Carlo integration

NeurIPS 2019 guilgautier/DPPy

In the absence of DPP machinery to derive an efficient sampler and analyze their estimator, the idea of Monte Carlo integration with DPPs was stored in the cellar of numerical integration.

POINT PROCESSES

Exact sampling of determinantal point processes with sublinear time preprocessing

NeurIPS 2019 guilgautier/DPPy

For this purpose, we propose a new algorithm which, given access to $\mathbf{L}$, samples exactly from a determinantal point process while satisfying the following two properties: (1) its preprocessing cost is $n \cdot \text{poly}(k)$, i. e., sublinear in the size of $\mathbf{L}$, and (2) its sampling cost is $\text{poly}(k)$, i. e., independent of the size of $\mathbf{L}$.

POINT PROCESSES

DPPy: Sampling DPPs with Python

19 Sep 2018guilgautier/DPPy

Determinantal point processes (DPPs) are specific probability distributions over clouds of points that are used as models and computational tools across physics, probability, statistics, and more recently machine learning.

POINT PROCESSES

Zonotope hit-and-run for efficient sampling from projection DPPs

ICML 2017 guilgautier/DPPy

Previous theoretical results yield a fast mixing time of our chain when targeting a distribution that is close to a projection DPP, but not a DPP in general.

POINT PROCESSES RECOMMENDATION SYSTEMS

Determinantal point processes for machine learning

25 Jul 2012guilgautier/DPPy

Determinantal point processes (DPPs) are elegant probabilistic models of repulsion that arise in quantum physics and random matrix theory.

POINT PROCESSES

PoPPy: A Point Process Toolbox Based on PyTorch

23 Oct 2018HongtengXu/PoPPy

In practice, the key points of point process-based sequential data modeling include: 1) How to design intensity functions to describe the mechanism behind observed data?

POINT PROCESSES

THAP: A Matlab Toolkit for Learning with Hawkes Processes

28 Aug 2017HongtengXu/Hawkes-Process-Toolkit

As a powerful tool of asynchronous event sequence analysis, point processes have been studied for a long time and achieved numerous successes in different fields.

POINT PROCESSES