Abductive logic programming (ALP) is a high level knowledge-representation framework that can be used to solve problems declaratively based on abductive reasoning. It extends normal logic programming by allowing some predicates to be incompletely defined, declared as abducible predicates. Problem solving is effected by deriving hypotheses on these abducible predicates (abductive hypotheses) as solutions of problems to be solved. These problems can be either observations that need to be explained (as in classical abduction) or goals to be achieved (as in normal logic programming). It can be used to solve problems in Diagnosis, Planning, Natural Language and Machine Learning. It has also been used to interpret Negation as failure as a form of abductive reasoning.
Read more about Abductive Logic Programming: Syntax, Informal Meaning and Problem Solving, Formal Semantics, Comparison With Other Frameworks, Implementation and Systems
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