Data mining Learning systems 5 Classification (of information) 4 Classification algorithm 4 Forecasting 4 Learning algorithms 4 Association rules 3 Big data 3 Data mining technology 3 Decision making 3 Information management 3 Students 3 Apriori algorithms 2 Classification 2 Combined modeling 2 English Learning 2 Extraction 2 Machine learning 2 Teaching 2 'current 1 AHP 1 Adaptive systems 1 Anomaly detection 1 Application analysis 1 Association classification 1 Avoid risks 1 BP neural networks 1 Behavior characteristic 1 Business data 1 Business management 1