Keyphrases
- functional dependencies
- tree width
- relational databases
- databases
- inclusion dependencies
- integrity constraints
- database design
- set of functional dependencies
- relational model
- normal form
- structural properties
- tree decomposition
- database schemes
- database applications
- database
- conjunctive queries
- conflict free
- data dependencies
- database systems
- approximate functional dependencies
- shortest path
- constraint networks
- xml documents
- exact and approximate
- query processing
- query answering
- data integration
- database theory
- logic programming
- programming language
- computationally challenging
- object oriented
- data model