Negative Items of Interest or interactions?

Hi all,

Is it possible in hybris marketing to add a "negative" item of interest?

Let me illustrate with an example what I mean by this.

On a website; you can "like" a product. This is an interaction; and via the product which is linked to a category which is assigned to an interest, the prospect gets a "point" on the item of interest related to the product he liked.

But you can also "unlike" a product. So can you one way or another "counter" the first interaction? Can you set a kind of "negative point" on the item of interest?

Thx for your inputs,

Joyca