Relational theories with null values and non-herbrand stable models.
Vladimir LifschitzKarl PichottaFangkai YangPublished in: Theory Pract. Log. Program. (2012)
Keyphrases
- stable models
- logic programs
- null values
- relational databases
- logic programming
- integrity constraints
- relational algebra
- relational model
- functional dependencies
- relational calculus
- database schema
- normal form
- fixpoint
- query evaluation
- data dependencies
- data model
- answer sets
- answer set programming
- databases
- stable model semantics
- relational data
- incomplete information
- deductive databases
- closed world
- aggregate functions
- database
- background knowledge
- expressive power
- relational data model
- horn clauses
- nonmonotonic reasoning
- object oriented
- database technology
- first order logic
- sql queries
- predicate logic
- update operations
- relational database systems
- knowledge representation
- database design
- inductive logic programming