“…Historical time-series data of the tra c in different ports appear with diverse characteristics such as periodicity, seasonality, volatility and uncertainty (Peng and Chu, 2009;Feng et al, 2019). Meanwhile, the forecasting performance of port tra c is closely related to those characteristics (Grifoll et al, 2021), i.e., a less complex data set suggests higher forecasting performance, or in other words, a more complex data set is usually accompanied by poorer prediction results.…”