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arXiv · 1908.06868

Comparing linear structure-based and data-driven latent spatial representations for sequence prediction

Myriam Bontonou·Carlos Lassance·Vincent Gripon·Nicolas Farrugia
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Abstract

Predicting the future of Graph-supported Time Series (GTS) is a key challenge in many domains, such as climate monitoring, finance or neuroimaging. Yet it is a highly difficult problem as it requires to account jointly for time and graph (spatial) dependencies. To simplify this process, it is common to use a two-step procedure in which spatial and time dependencies are dealt with separately. In this paper, we are interested in comparing various linear spatial representations, namely structure-based ones and data-driven ones, in terms of how they help predict the future of GTS. To that end, we perform experiments with various datasets including spontaneous brain activity and raw videos.

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Myriam Bontonou, Carlos Lassance, Vincent Gripon, Nicolas Farrugia. 2019-08-19. Comparing linear structure-based and data-driven latent spatial representations for sequence prediction. https://arxiv.org/abs/1908.06868

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