Keyphrases
- structured data
- feature set
- semi structured
- feature selection
- information extraction
- classification accuracy
- structured information
- feature vectors
- semi structured data
- feature space
- xml documents
- feature extraction
- unstructured data
- data sources
- textual data
- metadata
- unstructured text
- kernel function
- feature types
- structural features
- structured and unstructured data
- page layout analysis
- text data
- semantic features
- information retrieval
- data mining
- database