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Home -> Community -> Usenet -> comp.databases.theory -> Re: Nested Sets vs. Nested Intervals
>> Is there a way to count subcategories efficently with nested intervals with farey fractions? <<
In the nested sets model, (rgt -lft +1 )/2 = size of subtree at this root node. Received on Tue Nov 08 2005 - 14:03:13 CST
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