Evaluating the Size of Queries on Relational Databases with non Uniform Distribution and Stochastic Dependence.
Silvio SalzaMario TerranovaPublished in: SIGMOD Conference (1989)
Keyphrases
- relational databases
- database
- relational database systems
- query processing
- query language
- query logs
- high level query language
- web search engines
- relational model
- databases
- relational database management systems
- efficient processing
- response time
- information retrieval
- xml documents
- object oriented
- relational tables
- database systems
- spatial distribution
- database queries
- data sources
- query evaluation
- data objects
- keyword search
- query terms
- data structure
- sql queries
- user defined
- data distribution
- query formulation
- user queries
- search engine
- null values
- probability distribution
- dependence structure
- discrete random variables
- web search