[Zope] querying on a ZCTextIndex (need an example)

[Andreas Jung]

They weights are not available in the result afaik because the standard 
ZCatalog does
not support to expose additional index specific data from index queries.

-aj

--On Samstag, 24. April 2004 4:35 Uhr -0700 Roy Mathew <roymath at yahoo.com> 
wrote:

> Hi Andreas,
>
> Thanks for your reply; the Zope Book (online version) is indeed very
> helpful. However, even though it does say that the results are returned
> in weighted order, I cannot find a way to display those *weights*. Hence
> my question.
>
>| For results that include a text index, your results will be returned
>| in order of revelance of the text search. That is, the result set will
>| be sorted based how often search words appear in the indexes.  A
>| search for the word frog against a text index will give priority
>| toward an object that uses that word many times compared with an
>| object that uses that fewer. This is a simplified version of the way
>| that many web search engines work: the more "relevant" your keywords
>| are to an item, the higher its ordering in the results. In particular,
>| with the ZCTextIndex, you have a choice between two algorithms for how
>| to weight the sorting: Okapi: is the best general choice...
>
> --- Andreas Jung <andreas at andreas-jung.com> wrote:
>> Have you checked out the documentation in the Zope Book??
>> -aj
>>
>> --On Freitag, 23. April 2004 15:28 Uhr -0700 Roy Mathew
>> <roymath at yahoo.com>  wrote:
>>
>> > Folks,
>> >
>> > I notice that the documentation asks that ZCTextIndex be used in place
>> > of TextIndex.
>> > Does anyone have any examples of python code for querying a ZCTextIndex
>> > field in a ZCatalog, and
>> > presenting the results and their weights?
>> >
>> > Thanks in advance for any insight.
>> > Roy.
>> >
>> >
>> >
>> >
>> >
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