Leveraging the Expressivity of Grounded Conjunctive Query Languages.
Alissa KaplunovaRalf MöllerMichael WesselPublished in: OTM Workshops (2) (2007)
Keyphrases
- query language
- expressive power
- data model
- relational algebra
- conjunctive queries
- database
- computational properties
- object oriented
- recursive queries
- visual query language
- constraint databases
- regular expressions
- semistructured data
- query evaluation
- transitive closure
- closely related
- xml data
- data complexity
- user interface