Keyphrases
- web data
- web information extraction
- web mining
- semi structured
- information extraction
- web usage mining
- information retrieval
- web pages
- web documents
- web content
- incremental mining
- web information
- query logs
- retrieval model
- web sources
- deep web
- retrieval systems
- information retrieval systems
- document retrieval
- test collection
- multimedia
- multimedia databases
- link structure
- query expansion
- web search engines
- data extraction
- web search
- collaborative filtering
- data warehouse