Rewriting Fuzzy Queries Using Imprecise Views.
Hélène JaudoinOlivier PivertPublished in: ADBIS (2011)
Keyphrases
- query rewriting
- queries using views
- imprecise information
- view definitions
- imprecise data
- fuzzy information
- view selection
- multi criteria
- fuzzy sets
- conjunctive queries
- tree patterns
- regular path queries
- relational data
- query evaluation
- query processing
- database
- query language
- answering queries using views
- complex queries
- flexible querying
- aggregate queries
- fuzzy numbers
- deductive databases
- user queries
- membership functions
- multiple views
- spatial databases
- approximate functional dependencies
- fuzzy logic
- response time
- web search engines
- query optimization
- query containment
- efficient processing
- query answering
- view maintenance
- fuzzy clustering
- rough sets
- database queries
- data sources
- aggregate views
- uncertain information
- integrity constraints
- rewriting rules
- materialized views
- database views
- web pages
- query logs
- databases