getBranchOpt
CompactDomainOntology DomainOntologyNode FastDomainOntology FullOntologyBranchNode FullOntologyLeafNode FullOntologyRootNode HalfOntologyBranchNode HalfOntologyLeafNode HalfOntologyRootNode IndexedDomainOntology IndexedDomainOntologyNode PosNegOntologyBranchNode PosNegOntologyLeafNode PosNegOntologyRootNode SkipDomainOntology