[MarkLogic Dev General] Quality weight
Danny.Sokolsky at marklogic.com
Mon Oct 18 13:51:47 PDT 2010
Maybe I am not understanding what you are asking, but I think <quality-weight> will do what you want using the search API. It should behave the same way as passing a quality-weight to cts:search (and in fact, I think that is what the search API is doing with it).
Here is the tricky thing about quality: the quality on a document is 0 by default, so unless you create a document with some quality or update with some quality, any quality-weight you add to a search will have no effect.
As an example, I created a single document in an empty db with a quality of 100:
xdmp:document-insert("/test.xml", <a>hello</a>, (), (), 100)
Next I ran search:search on it with no options:
the score was 204
Next, I ran search:search with a quality-weight of 1.0 (the default):
xquery version "1.0-ml";
import module namespace search =
let $options :=
The score is still 204.
Now change the options node as follows:
The score is now 304.
If you make it 3.0, it will be 404 [ 104 + (3.0 * 100) ].
Does that make sense?
From: general-bounces at developer.marklogic.com [mailto:general-bounces at developer.marklogic.com] On Behalf Of Stewart Shelline
Sent: Monday, October 18, 2010 12:51 PM
To: General Mark Logic Developer Discussion
Subject: [MarkLogic Dev General] Quality weight
According to the Search Developer's Guide, a document's score is calculated as follows when using cts:search:
Score = Score + (QualityWeight * Quality)
How can I get this same effect when using search:search? It appears the <quality-weight> parameter is not the right answer, since it applies the weight to the overall score for the document, not as a qualifier on the document's document quality, i.e.:
Score = (Score + Quality) * QualityWeight
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