Keyphrases
- nearest neighbor
- range searching
- nearest neighbor queries
- database
- query processing
- reverse nearest neighbor
- query point
- high dimensional
- knn
- response time
- range queries
- training set
- user queries
- k nearest neighbor
- query evaluation
- database queries
- approximate nearest neighbor
- data sources
- keywords
- wide range
- query execution
- retrieval method
- information retrieval
- high dimensional data
- query expansion
- relevance feedback
- index structure
- complex queries
- query formulation
- nearest neighbor search
- cost model
- vector space
- query result
- triangle inequality
- information retrieval systems
- search engine
- learning algorithm