Aggregates in the Temporal Query Language TQuel.
Richard T. SnodgrassSantiago GómezL. Edwin McKenziePublished in: IEEE Trans. Knowl. Data Eng. (1993)
Keyphrases
- query language
- data model
- aggregate functions
- expressive power
- temporal aggregation
- spatio temporal databases
- complex objects
- temporal information
- query evaluation
- relational algebra
- temporal queries
- object oriented
- temporal reasoning
- database
- temporal databases
- regular expressions
- temporal constraints
- temporal relations
- constraint databases
- data sets
- transitive closure
- temporal data
- spatial and temporal
- xml data
- spatio temporal
- structured documents
- temporal patterns
- temporal evolution
- temporal consistency
- recursive queries
- data streams
- temporal behavior
- website
- data mining
- data model and query language