Keyphrases
- structured data
- graph kernels
- tree kernels
- semi structured
- information extraction
- xml documents
- semi structured data
- unstructured data
- metadata
- data sources
- keyword search
- free text
- structured information
- relational data
- support vector
- textual data
- kernel methods
- unstructured text
- linked data
- text databases
- genetic algorithm
- structured databases
- kernel function
- multiple kernel learning
- keyword queries
- knowledge discovery
- data model
- feature space
- decision trees
- tree structured data
- social networks