1 code implementation • 21 Sep 2022 • Xixi Li, Jingsong Yuan
This is a model for stationary time series which can be extended to allow the presence of a deterministic trend in each series.
1 code implementation • 26 Jun 2022 • Lingzhi Qi, Xixi Li, Qiang Wang, Suling Jia
We evaluate our approach on the widely used forecasting competition data set M4, in terms of both point forecasts and prediction intervals.
no code implementations • 28 Feb 2021 • Xixi Li, Yun Bai, Yanfei Kang
This paper aims to study the social influence of virtual community on user behaviors in the M5 competition.
no code implementations • 19 Jan 2020 • Yun Bai, Xixi Li, Hao Yu, Suling Jia
Sparse and short news headlines can be arbitrary, noisy, and ambiguous, making it difficult for classic topic model LDA (latent Dirichlet allocation) designed for accommodating long text to discover knowledge from them.
no code implementations • 1 Nov 2019 • Yun Bai, Suling Jia, Xixi Li
Based on the online transaction data of COSCO group's centralized procurement platform, this paper studies the clustering method of time series type data.
3 code implementations • 17 Apr 2019 • Xixi Li, Yanfei Kang, Feng Li
Recently, the use of time series features for forecast model averaging has been an emerging research focus in the forecasting community.