Keyphrases
- raw data
- prior knowledge
- enormous amounts
- historical data
- data collection
- data sets
- missing information
- domain knowledge
- data sources
- structured information
- expert knowledge
- valuable knowledge
- semantically rich
- computer systems
- data structure
- huge amounts
- collected data
- multiple sources
- complex data
- information resources
- essential information
- prior domain knowledge
- information sources
- data analysis
- global information
- extra information
- data mining tools
- background knowledge
- domain experts
- data processing
- statistical data
- hidden knowledge
- end users
- stored data
- historical information
- environmental information
- spatial data
- vast amounts of data
- knowledge discovery
- external data
- usage data
- information from multiple sources
- acquisition process
- privacy concerns
- sensitive information
- web data
- structural information
- temporal information
- sensor data
- missing data
- data mining techniques
- data mining
- information services
- human experts
- multimedia data
- information sharing
- information extraction
- knowledge base