Keyphrases
- cost model
- lambda calculus
- query optimization
- programming language
- query processing
- query execution
- program understanding
- predicate calculus
- join algorithms
- range queries
- complex objects
- database query languages
- query optimizer
- regular expressions
- databases
- higher order
- formal model
- pattern matching
- open source
- query plan
- path expressions
- object oriented
- data sources
- metadata
- neural network