Package it.unibz.inf.ontop.iq.executor.join

Interface Summary

Interface	Description
InnerJoinExecutor

Class Summary

Class	Description
JoinCompositeExecutor	TODO: explain
JoinExtractionUtils	TODO: describe
RedundantJoinFKExecutor	Use foreign keys to remove some redundant inner joins Normalization assumption: variables are reused between data nodes (no explicit equality between variables)
RedundantSelfJoinExecutor	TODO: explain Assumption: clean inner join structure (an inner join does not have another inner join or filter node as a child).
SelfJoinLikeExecutor
SelfJoinLikeExecutor.ConcreteProposal	TODO: explain
SelfJoinLikeExecutor.PredicateLevelProposal	TODO: explain

Exception Summary

Exception	Description
JoinExtractionUtils.UnsatisfiableExpressionException	TODO: explain
SelfJoinLikeExecutor.AtomUnificationException	TODO: explain TODO: find valid cases