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From Kamuela Lau <>
Subject Re: LTR features on solr
Date Fri, 26 Oct 2018 09:10:55 GMT

Just to confirm, are you asking about the following?

For a particular query, you have a list of documents, and for each
document, you have data
on the number of times the document was clicked on, added to a cart, and
ordered, and you
would like to use this data for features. Is this correct?

If this is the case, are you indexing that data?

I believe that the features which can be used for the LTR module is
information that is either indexed,
or indexed information which has been manipulated through the use of
function queries.

It seems to me that you would have to frequently index the click data, if
you need to refresh the data frequently

On Fri, Oct 26, 2018 at 4:24 PM Midas A <> wrote:

> Hi  All,
> I am new in implementing solr LTR .  so facing few challenges
> Broadly  we have 3 kind of features
> a) Based on query
> b) based on document
> *c) Based on query-document from click ,cart and order  from tracker data.*
> So my question here is how to store c) type of features
>        - Old queries and corresponding clicks ((query-clicks)
>         - Old query -cart addition  and
>       - Old query -order data
>  into solr to run LTR model
> and secoundly how to build features for query-clicks, query-cart and
> query-orders because we need to refresh  this data frequently.
> What approch should i follow .
> Hope i am able to explain my problem.

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