Answering approximate queries over autonomous web databases.

Xiangfu Meng Zong Min Ma Li Yan

Published 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