Accurate water depth data are essential to ensure navigational safety of ships operating in regions with coral islands and reefs; however, it is often difficult or impossible to conduct in situ ...

Jian-Wei Tzeng, Nen-Fu Huang, Yi-Hsien Chen, Ting-Wei Huang, Yu-Sheng Su, Personal learning material recommendation system for MOOCs based on the LSTM neural network, Educational Technology & Society, ...