Distributed Evaluation of Graph Queries using Recursive Relational Algebra.
Sarah ChlyahPierre GenevèsNabil LayaïdaPublished in: CoRR (2021)
Keyphrases
- relational algebra
- recursive queries
- query language
- relational calculus
- relational database systems
- database query languages
- probabilistic databases
- expressive power
- data model
- relational operators
- nested relational
- relational model
- duplicate elimination
- normal form
- aggregate functions
- sparql queries
- relational data model
- transitive closure
- summary tables
- complex objects
- query evaluation
- first order logic
- query optimization
- distributed systems
- object oriented
- null values
- algebraic operations
- join operator
- aggregate queries
- databases
- conjunctive queries
- database
- database design
- data sources
- expert systems
- user defined
- relational algebra expressions