host tree DBH

host-host layer

host-host layer (in DPA architecture)

distributions of tree-tree distances

tree-tree

HHC Host – to – Host Connection

Host exchange， Host

host to host

host to host traffic

host-to-host protocol

ancient tree and famous tree

Compressed Frequent Pattern Tree CFP-Tree

data cube aggregate-tree cube DCA-tree cube

Distribution of tree-to-tree distance

Double B~+-tree(DB~+-tree)

Even-odd Markov chain fields indexed by Bethe tree (Cayley tree)

frequent pattern tree (FP-tree)

Frequent Pattern Tree FP-tree

genealogical tree(family-tree)