I guess, you should be using a suffix tree.

On Wed, Sep 1, 2010 at 5:45 PM, Arun <[email protected]> wrote:

> You are given the amazon.com database which consists of names of
> millions of products. When a user enters a search query for particular
> object with the keyword say "foo" , output all the products which have
> names having 50% or more similarity with the given keyword ie "foo"
>
> Write the most efficient algorithm for the same.
>
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-- 
Thanks & Regards,
Chakravarthi.

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