Specifying Queries as Relational Expressions.
Raymond F. BoyceDonald D. ChamberlinMichael HammerW. Frank King IIIPublished in: SIGPLAN (1973)
Keyphrases
- query language
- relational queries
- query processing
- efficient processing
- relational databases
- query evaluation
- relational calculus
- high level query language
- user queries
- database
- data model
- web search engines
- data sources
- relational data
- database query languages
- response time
- natural language
- relational operators
- aggregate functions
- relational learning
- search engine
- query formulation
- complex queries
- database queries
- relational database systems
- relational algebra
- search queries
- query logs
- facial expressions
- object oriented