refactoring started
refactoring DAG
cleaned DAGBuilder
DAGImpl representation internalized
DAG.Replacement cleaned up
reduced TBoxReasoner interface
DAG from an ontology
TBoxReasonerImplOnGraph created
TBoxReasonerImpl cleaned
forked out TBoxReasonerImplOnNamedDAG
cleaned TBoxReasonerImpls
completed split of TBoxReasoner
SemanticIndexEngine takes DAG now
cleaned TBoxReasoner
split NamedDAG from DAG
cleaned DAG and NamedDAG
cleaner DAG and NamedDAG
cleaned NamedDAG (removed its own EquivalenceMap)
cleaner code
getSigmaOntology cleaned