Tìm kiếm theo: Tác giả Xu, Jianpeng

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  • Tác giả: Xu, Jianpeng;  Người hướng dẫn: -;  Người tham gia: Zhou, Jiayu; Tan, Pang-Ning; Liu, Xi; Luo, Lifeng (2019)

  • Predictive modeling of large-scale spatio-temporal data is an important but challenging problem as it requires training models that can simultaneously predict the target variables of interest at multiple locations while preserving the spatial and temporal dependencies of the data. In this paper, we investigate the effectiveness of applying a multi-task learning approach based on supervised tensor decomposition to the spatio-temporal prediction problem. Our proposed framework, known as SMART, encodes the data as a third-order tensor and extracts a set of interpretable, spatial and temporal latent factors from the data. An ensemble of spatial and temporal prediction models are trained u...