Re: [jira] Commented: Field collapsing

[Yonik Seeley <yo...@apache.org>]

On 6/5/07, Will Johnson <wj...@getconnected.com> wrote:
> I haven't looked at any of the patches but I can comment some other uses
> for the feature that are in production today with major vendors.  While
> it's used for site collapsing ala google it's also heavily used in
> ecommerce settings.  Check out BestBuy.com/circuitcity/etc and do a
> search for some really generic word like 'cable' and notice all the
> groups of items; BB shows 3 per group, CC shows 1 per group.  In each
> case it's not clear that the number of docs is really limited at all, ie
> it's more important to get back all the categories with n docs per
> category and the counts per category than it is to get back a fixed
> number of results or even categories for that matter.  Also notice that
> neither of these sites allow you to page through the categorized
> results.

Thans for the use cases... I've added some of this info to the bug to
easier keep track of it.

> I'd also point out that many vendors require the collapsing field to be
> an int instead of a string and then force the front end to do the
> mapping.

Now that just seems silly... must be lucene is just a superior
technology to build a search platform from ;-)

-Yonk