Answering approximate queries over autonomous web databases.
Xiangfu MengZong Min MaLi YanPublished in: WWW (2009)
Keyphrases
- web databases
- query relaxation
- approximate answers
- user queries
- database systems
- databases
- deep web
- query interface
- aggregate queries
- database
- database technology
- web pages
- key technologies
- data sources
- search engine
- structured data
- data management
- answering queries
- database server
- query language
- information retrieval systems
- query processing
- relevant documents
- semi structured
- distributed databases
- query logs
- web users
- web search engines
- decision support