Typed Query Languages for Databases Containing Queries.
Frank NevenJan Van den BusscheDirk Van GuchtGottfried VossenPublished in: PODS (1998)
Keyphrases
- query language
- data model
- query evaluation
- expressive power
- object oriented
- recursive queries
- database
- relational algebra
- database query languages
- query processing
- conjunctive queries
- constraint databases
- xml data
- complex objects
- visual query language
- query engine
- higher order
- relational operators
- tree pattern queries
- aggregate functions
- xml query languages
- transitive closure
- data complexity
- regular expressions
- web search engines