Keyphrases
- web data
- semi structured
- web information extraction
- web sources
- semi structured data
- web mining
- semistructured data
- xml documents
- markup language
- information integration
- web information
- data repositories
- web pages
- structured data
- xml data
- web documents
- web usage mining
- web content
- data model
- incremental mining
- data integration
- html documents
- deep web
- xml schema
- topic maps
- query logs
- information extraction
- relational databases
- databases
- co occurrence
- collaborative filtering
- web crawling
- machine learning
- web users
- keyword search
- web databases
- web search engines
- query processing
- metadata