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From "Peter W." <>
Subject Re: How to keep user search history and how to turn it into information?
Date Tue, 14 Aug 2007 20:52:15 GMT

One last thing, be sure to log only when a user clicks on a result
and in Hadoop document_id will be a key in the map phase.

Lucene related steps are the same.


Peter W.

On Aug 14, 2007, at 1:28 PM, Peter W. wrote:

> When users perform
> a search, log the unique document_id, IP address and
> result position for the next step.
> Use Hadoop to simplifiy your logs by mapping the id
> and emitting IP's as intermediate values. Have
> reduce collect unique document_id[IP addresses].

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