Capturing combination patterns of long- and short-term dependencies in multivariate time series forecasting

Wen Song, Shigeru Fujimura*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Multivariate time series forecasting has typically been a relevant and interesting topic in many fields, including economics, electricity consumption, solar energy, and traffic management. In these domains, owing to the complex dependencies among multiple variables and the mixed dependencies in the time dimension, it is challenging to forecast a multivariate time series precisely. Furthermore, most of the forecasting methods fail to capture the mixed influence of the different time-length dependencies among multiple variables. In this paper, a new deep learning framework is proposed for dealing with this challenging problem, named as mixed dependence time-series network (MDTNet). In this framework, stacked dilated convolutions and recurrent units are applied to extract the complex patterns in the long- and short-term mixed dependencies among multiple variables. The experiments show that our proposed framework yields significant results, outperforming the state-of-the-art baseline methods on three of the four benchmark datasets in large horizons and achieving a competitive performance in short horizons on all the benchmark datasets.

Original languageEnglish
Pages (from-to)72-82
Number of pages11
JournalNeurocomputing
Volume464
DOIs
Publication statusPublished - 2021 Nov 13

Keywords

  • Dependency
  • Forecasting
  • Multivariate time series

ASJC Scopus subject areas

  • Computer Science Applications
  • Cognitive Neuroscience
  • Artificial Intelligence

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