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From Sean Owen <sro...@gmail.com>
Subject Re: item-based recommendation neighbourhood size
Date Sat, 20 Feb 2010 00:20:07 GMT
No that's not my understanding of how the canonical item-based
algorithm operates. I am still not sure what neighborhood you are
thinking of -- neighborhood of what item?

On Fri, Feb 19, 2010 at 11:59 PM, jamborta <jamborta@gmail.com> wrote:
>
> but generally speaking item-based recommendation is just
> looking at the same problem from a different point of view. the centre of
> the neighbourhood
> is the target item.
>
> besides, restricting the neighbourhood size seems to improve performance.

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