Mahout 坡度一和类别
我想使用斜坡一作为项目推荐器。问题是我有一组彼此不相关的项目。在我看来，没有办法告诉 Mahout 仅对一组产品使用差异存储。我想实现这一点，因为这些组有一个平均 100 个项目，我不喜欢从头开始创建 mongoDbDiffStorage。重新记录器是否告诉应计算哪些差异以避免存储无用的数据？
谢谢
I would like to use slope one as item reccomender. The problem is that I have groups of items that are not correlated each other.It seems to me that there is no way to tell Mahout to use the diff storage just for a group of products.I want to achieve this because the groups have an average of 100 items and I prefer to not create a mongoDbDiffStorage from scratch. Does the rescorer tell what differences should be computed in order to avoid to store useless data?
Thanks
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您的意思是您知道您想要考虑一些完全不相关的项目？不，您必须为此编写自己的
DiffStorage。或者，我可能会建议，如果这些项目集完全不相关，那么您真正遇到的是每组项目的推荐器问题，并且可以对每个数据子集使用
Recommender。这在很多方面可能会更容易、更有效。You mean that you know that you want to consider some items completely unrelated? No, you'd have to write your own
DiffStoragefor that.Or, I might suggest that if these item sets are completely unrelated, then what you really have is a recommender problem for each group of items, and can use a
Recommenderfor each subset of data. This would probably be easier and more efficient in many ways.