Mattio-
Just a note- if you're using 3.2, you might try getting this functionality
with fields. Fields let you assign relative weights on an element-by-element
basis. That is, you could configure a field (in the database admin
interface) to include the full text element(s) with a weight of 0.25 and the
the title and head elements each to have a weight of 1.5. Then do a single
cts:field-word-query.
If your configuration and your data support this approach, it might work
well for you-
Frank
On 7/6/07 8:52 AM, "Mattio Valentino" <[EMAIL PROTECTED]> wrote:
> I've been experimenting with query weights and I have a question about
> one of the side effects on the final number from cts:score.
>
> The basic query I'm testing with does an or-query to search the entire
> text with one score and then boosts the score if the term is found a
> title or head element. While experimenting with the weights I noticed
> that the score difference between each item returned is drastically
> smaller (which is fine) but, in some cases, more groups of items end
> up having the same score (which is more of an issue). As I increase
> the weight of hits in the title or head elements, I'm finding that
> more and more documents end up with the exact same score.
>
> I'm not sure I understand why that is or how to balance it out. Can
> someone explain?
>
> Thanks,
> Mattio
>
> I pasted the query I'm testing with below.
>
> cts:or-query(
> (
> cts:and-query(
> (
> cts:word-query("arnold", (), 0.25),
> cts:word-query("biography", (), 0.25)
> ), ()
> ),
> cts:and-query(
> (
> cts:element-word-query((xs:QName("title"), xs:QName("head")),
> "arnold", (), 1.5),
> cts:element-word-query((xs:QName("title"), xs:QName("head")),
> "biography", (), 1.5)
> ), ()
> )
> )
> )
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Frank Rubino
Consultant, Publishing
Mark Logic Corporation
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