Keyphrases
- data analysis
- statistical analysis
- data sets
- data collection
- high quality
- raw data
- database
- training data
- web data
- correlation analysis
- global scale
- data structure
- knowledge discovery
- data sources
- data acquisition
- original data
- log data
- increasing rapidly
- big data
- web content
- missing data
- computer systems
- image data
- data points
- probability distribution
- digital libraries