Keyphrases
- structured data
- semi structured
- information extraction
- unstructured data
- relational data
- graph kernels
- xml documents
- semi structured data
- linked data
- structured databases
- structured information
- semistructured data
- free text
- keyword search
- metadata
- data sources
- unstructured text
- machine learning
- text data
- keyword queries
- text categorization
- natural language processing
- knowledge discovery
- decision trees