Relevance to retrieve a set of computer objects with duplicate names

Try this:

(name of it, id of it) of items 1 of (it, bes computers) whose(name of item 1 of it is contained by item 0 of it) of ( set of unique values whose (multiplicity of it > 1) of names of bes computers )

The size of the tuple that this relevance builds will never be larger than:

(number of bes computers)

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