Two-stage index-based central keyword-ranked searches over encrypted cloud data.
Hong ZhongZhanfei LiYan XuZhili ChenJie CuiPublished in: Sci. China Inf. Sci. (2020)
Keyphrases
- data sets
- data collection
- high quality
- database
- data processing
- image data
- synthetic data
- spatial data
- small number
- probability distribution
- original data
- data quality
- training data
- information retrieval
- raw data
- multimedia data
- big data
- sensitive information
- sensor data
- statistical analysis
- nearest neighbor
- data points
- data model
- feature space
- data analysis
- keywords