Conference

A Spectral-Grassmann Wasserstein metric for operator representations of dynamical systems

The geometry of dynamical systems estimated from trajectory data is a major chal- lenge for machine learning applications. Koopman and transfer operators provide a linear …

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Thibaut Germain

Discovering Multiple Subdimensional Motifs in Multivariate Time Series

Motif Discovery aims at identifying repeated patterns in time series. It is a fundamental task in time series analysis, with applications across numerous fields where recurring …

valerio-guerrini

A Spectral-Grassmann Wasserstein metric for operator representations of dynamical systems

The geometry of dynamical systems estimated from trajectory data is a major challenge for machine learning applications. Koopman and transfer operators provide a linear …

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Thibaut Germain

Time series representations with hard-coded invariances

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Thibaut Germain

Time Series Representations with Hard-Coded Invariances

Automatically extracting robust representations from large and complex time series data is becoming imperative for several real-world applications. Unfortunately, the potential of …

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Thibaut Germain

Shape analysis for time series

Analyzing inter-individual variability of physiological functions is particularly appealing in medical and biological contexts to describe or quantify health conditions. Such …

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Thibaut Germain

OVD-SaaS: Online Verifiable Data Science as a Service, an architecture of microservices for industrial artificial-intelligence applications: Architecture and study cases

There is a growing concern about credibility and trustworthiness in results and claims of research in computational data science, and at the same time, difficulty in taking those …

jose-armando-hernandez

Linear-trend normalization for multivariate subsequence similarity search

Finding repeating or anomalous subsequences in long time series is a crucial task in numerous data analysis pipelines. Most of those methods share a common step where they compute …

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Thibaut Germain

Interactive motif discovery in time series with persistent homology

Time series analysis based on recurrent patterns, also called motifs, has emerged as a powerful approach in various domains. However, uncovering recurrent patterns poses challenges …

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Thibaut Germain

Détection non supervisée de motifs sur séries temporelles

We present a new algorithm for pattern detection in time series. It uses a graph that quantifies the similarity of pairs of subsequences of a given signal, and topological data …

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Thibaut Germain