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Answering approximate queries over autonomous web databases.
Xiangfu Meng
Zong Min Ma
Li Yan
Published in:
WWW (2009)
Keyphrases
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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