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Poster
in
Workshop: Time Series in the Age of Large Models

Unveiling the Potential of Text in High-Dimensional Time Series Forecasting

Xin Zhou · Weiqing Wang · SHILIN QU · Zhiqiang Zhang · Christoph Bergmeir


Abstract:

Time series forecasting has traditionally focused on univariate and multivariate numerical data, often overlooking the benefits of incorporating multimodal information, particularly textual data. In this paper, we propose a novel framework that integrates time series models with Large Language Models to improve high-dimensional time series forecasting. Inspired by multimodal models, our method combines time series and textual data in the dual-tower structure. This fusion of information creates a comprehensive representation, which is then processed through a linear layer to generate the final forecast. Extensive experiments demonstrate that incorporating text enhances high-dimensional time series forecasting performance. This work paves the way for further research in multimodal time series forecasting.

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