toolkit useful for working with XML documents
de.unirostock.sems.xmltools.*
-> de.unirostock.sems.xmlutils.*
getOccuringIds
-> getOccurringIds
de.unirostock.sems.xmltools.ds.NodeComparer
-> de.unirostock.sems.xmlutils.ds.NodeDistance
+ de.unirostock.sems.xmlutils.ds.NodeDistanceComparator
XyWeighter
for TreeDocument
creation