https://www.hackerrank.com/challenges/subtrees-and-paths/problem
Subtrees And Paths | HackerRank
Given a tree with N nodes, perform queries like add value to all nodes subrooted at a given node and find maximum value on a given path.
pathshackerrank
https://docs.oracle.com/cd/E19656-01/821-1507/gbvrj/index.html
Allowed Subtrees (Oracle Fusion Middleware Reference for Oracle Directory Server Enterprise Edition)
oracle fusion middlewaredirectory serverallowed
https://lwn.net/Articles/689856/
Mount namespaces and shared subtrees [LWN.net]
Mount namespaces are a powerful and flexible tool for creating per-user and per-container file [...]
mountnamespacessharedlwn
https://mail.gnome.org/archives/xml/2007-July/msg00042.html
Re: [xml] Copying XML subtrees across documents (in Python)
xmlcopyingacrossdocumentspython