Keyphrases
- semi structured
- web documents
- web data
- data extraction
- structured knowledge
- knowledge rich
- semi structured data
- structured data
- web sources
- structured information
- web information extraction
- web data sources
- information extraction
- web databases
- unstructured text
- data model
- website
- text mining
- information integration
- content and structure
- semi structured documents
- web content
- wrapper generation
- domain knowledge
- html pages
- knowledge discovery
- data collections
- search interface
- wrapper induction
- free text
- knowledge acquisition
- web pages
- web mining
- knowledge base
- web information
- knowledge representation
- html documents
- natural language processing
- keyword queries
- linked data