Top-k Queries with Contextual Fuzzy Preferences.
Patrick BoscOlivier PivertAmine MokhtariPublished in: DEXA (2009)
Keyphrases
- query processing
- query language
- result set
- flexible querying
- imprecise information
- fuzzy sets
- query evaluation
- user defined
- contextual information
- fuzzy logic
- approximate answers
- range queries
- database queries
- web search engines
- user queries
- query result
- skyline queries
- multi attribute
- response time
- search queries
- aggregate queries
- complex queries
- decision making
- database
- query logs
- data objects
- cost model
- fuzzy numbers
- fuzzy clustering
- user preferences
- data sources
- aggregation queries
- multiple criteria
- neural network
- search engine
- user context
- similarity search
- query optimization
- efficient processing
- retrieval systems
- utility function
- fuzzy rules