Keyphrases
- query processing
- skyline queries
- query language
- efficient processing
- user preferences
- database
- data objects
- view maintenance
- database views
- web search engines
- result set
- search queries
- query evaluation
- view selection
- recommender systems
- range queries
- aggregate views
- query logs
- complex queries
- metric space
- query optimization
- multi dimensional
- response time
- nearest neighbor
- data distribution
- user queries
- index structure
- xml data
- answering queries
- selectivity estimation
- skyline computation
- high dimensional