Recommender Systems – Trust

How to make user trust our recommender system is a crucial

design goal . Image that if a RS always recommend items that

a user have never seen , so the items will be strange to the user.

In other words , the RS will not be so friendly to the user . So

how to make RS seems that it can understand the user’s psychology

is a very important point. It’s just like that RS play a friend role of the

user . In fact , it has simple way to do this : try to recommend items

that the user have ever seen , then let user feel friendly toward our

systems just like his/her friend . So , accuracy is not enough in designing

a RS , we must consider other factors like HCI perspectives in order to

let users easily control our RS.

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