Keyphrases
- structured data
- semi structured
- information extraction
- free text
- semi structured data
- relational data
- unstructured data
- data sources
- structured information
- keyword search
- xml documents
- textual data
- linked data
- structured databases
- semistructured data
- text data
- graph kernels
- graph structures
- web data
- text mining
- information retrieval
- unstructured text
- keywords
- graph data
- data mining
- databases
- database