Sequenced spatiotemporal aggregation for coarse query granularities.
Igor TimkoMichael H. BöhlenJohann GamperPublished in: VLDB J. (2011)
Keyphrases
- query processing
- user queries
- response time
- database
- data sources
- aggregation queries
- spatial and temporal
- multiresolution
- complex queries
- database queries
- range queries
- query evaluation
- coarse to fine
- original query
- aggregation functions
- efficient processing
- query execution
- multiple granularities
- temporal constraints
- search queries
- temporal information
- user defined
- retrieval systems
- query expansion
- data model
- indexing techniques
- result set
- query formulation
- spatio temporal
- aggregate queries
- data structure
- search engine
- databases