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From Mahout Chen (补丁象夫) <>
Subject Re: Feedback on provided recommendations
Date Thu, 29 Apr 2010 02:43:43 GMT
Hi, Oral,  of course I am interested in having access to such dataset,
although my current work has nothing to do with recommendation system.
This dataset appears to be different from any public datasets, I think
it's particularly interesting to academic researchers since new data
sources usually lead to new ideas.

2010/4/29, Ted Dunning <>:
> Even just having this data to benchmark the SVD algorithms would be very
> interesting.  Completely blinding both user id's and item id's should make
> anonymity safe, especially if time frame and source are not apparent.
> On Wed, Apr 28, 2010 at 2:45 PM, Tolga Oral <> wrote:
>> Also I miss-spoke about the dataset, I meant 120K unique users for 1200+
>> items, number of ratings are in the millions. However this is one of the
>> smaller datasets (for number of items) we have, although it will be the
>> first one to get feedback data on.

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