Quantifying Knowledge Base Inconsistency Via Fixpoint Semantics.
Du ZhangPublished in: Trans. Comput. Sci. (2008)
Keyphrases
- fixpoint semantics
- knowledge base
- logic programs
- logic programming
- model theoretic
- deductive databases
- fixpoint
- description logics
- datalog programs
- closed world assumption
- expert systems
- declarative semantics
- data complexity
- knowledge representation
- classical logic
- belief revision
- belief base
- answer sets
- theorem proving
- expressive power
- stable models
- background knowledge
- answer set programming
- nonmonotonic reasoning
- logic programming language
- databases