E-learning 3 Deep learning 2 Online learning resources 2 Resource recommendation 2 3-D shape 1 3D shape feature extraction 1 Animation 1 Attention mechanisms 1 Audio videos 1 Back-propagation neural networks 1 Backpropagation 1 Civics education 1 College students 1 Communication studies 1 Comprehensive qualities 1 Curricula 1 Deep neural networks 1 Digital learning resources 1 Extraction 1 Feature extraction 1 Feature extraction methods 1 Features extraction 1 Flash animations 1 Fuzzy neural networks 1 Growth and development 1 Information contents 1 Learning platform 1 Learning resource 1 Learning resources 1 Media studies 1