Intelligent query optimization and course recommendation during online lectures in E-learning system.
Muhammad Sajid RafiqXie JiansheMuhammad ArifPaola BarraPublished in: J. Ambient Intell. Humaniz. Comput. (2021)
Keyphrases
- query optimization
- e learning
- online learning
- database systems
- distance learning
- cost model
- higher education
- query processing
- multidatabase systems
- semantic query optimization
- xml data
- cost estimation
- cardinality estimation
- data placement
- query scheduling
- approximate query answering
- query execution
- recursive queries
- query execution plans
- collaborative filtering
- selectivity estimation
- knowledge management
- recommender systems
- query optimizer
- join queries
- execution plan
- continuous queries
- complex queries
- efficient execution
- relational databases
- data mining
- database