Keyphrases
- structured data
- semi structured data
- linked data
- textual data
- structured information
- semi structured
- unstructured data
- free text
- information extraction
- relational data
- data sources
- website
- structured and unstructured data
- unstructured information
- unstructured text
- web data
- xml documents
- semantic web
- web databases
- web documents
- web mining
- keyword search
- structured databases
- keyword queries
- web users
- tree structured data
- text mining
- semistructured data
- web pages
- database systems
- information retrieval
- data mining
- metadata
- simulated annealing
- web content
- databases