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From Mikhail Khludnev <>
Subject Re: Diversifying Search Results - Custom Collector
Date Mon, 20 Aug 2012 07:26:22 GMT

I've got the problem description below. Can you explain the expected user
experience, and/or solution approach before diving into the algorithm


On Sat, Aug 18, 2012 at 2:50 AM, Karthick Duraisamy Soundararaj <> wrote:

> My problem is that when there are a lot of documents representing products,
> products from same manufacturer seem to appear in close proximity in the
> results and therefore, it doesnt provide brand diversity. When you search
> for sofas, you get sofas from a manufacturer A dominating the first page
> while the sofas from manufacturer B dominating the second page, etc. The
> issue here is that a manufacturer tends to describes the different sofas he
> produces the same way and therefore there is a very little difference
> between the documents representing two sofas.

Sincerely yours
Mikhail Khludnev
Tech Lead
Grid Dynamics


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