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From: Peng Zhang <pzhang.xjtu@gmail.com>
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Subject: Re: RecommenderJob
Date: Mon, 25 Aug 2014 16:41:38 +0800
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If there are no suitable recommendations for a user, the output will not =
contain any records related to this user.


Peng Zhang


On Aug 25, 2014, at 4:38 PM, Wei Li <wei.lee04@gmail.com> wrote:

> thanks Peng's answers. Yes, I know this case, but RecommenderJob does =
not
> output these records?
>=20
>=20
> On Mon, Aug 25, 2014 at 3:37 PM, Peng Zhang <pzhang.xjtu@gmail.com> =
wrote:
>=20
>> If an item is not similar to anyone else, and a user only connects =
with
>> this item, this user doesnt get any recommended items.
>>=20
>> This is just one example.
>>=20
>> Peng Zhang
>>=20
>> --
>> Sent from my iPhone
>>=20
>>> On Aug 25, 2014, at 2:22 PM, Wei Li <wei.lee04@gmail.com> wrote:
>>>=20
>>> Hi Mahout users:
>>>=20
>>>   We have tried the item-based CF recommender with a user_id, =
item_id,
>>> rating data. while the recommendation output is less than our =
expected,
>> for
>>> example, if we have 1000 users, the output should have 1000 records, =
one
>>> for each user, right?
>>>=20
>>> Best
>>> Wei
>>=20


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