Which release is this? Is the problem limited to a particular word? If so, what 
words?

Have you tried a query trace or xdmp:plan yet? If you can run that with ML7 
that is even more useful.

-- Mike

On 19 Nov 2013, at 12:43 , Will Thompson <[email protected]> wrote:

> I’m trying to determine why some search result estimates are overcounted. 
> Documents generally look like:
> 
> <chapter>
>    <subchapter>
>        <doc>
>            <section>
> 
> Fragment root is set on <doc> (and no ancestors or descendants of <doc>). 
> count(//doc) = xdmp:estimate(//doc) => true. The searchable expression is 
> xdmp:directory((‘dir1’, ‘dir2’, …), ‘infinity’)//doc. The word query 
> specification explicitly includes <doc> and excludes document root. 
> 
> The documentation suggests to prevent overcounting we just ensure that 1) 
> searchable expressions always select a fragment, and 2) there are no 
> predicates applied to the searchable expression. Are there any other 
> conditions that may cause overcounting of a simple word query?
> 
> -Will
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