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Collaborative Filtering Item Recommendation how can I create output "item_id" with title name

User: "Karn"
New Altair Community Member
Updated by Jocelyn
hi 

I use Rapidminner for Collaborative Filtering Item Recommendation with user k-nn  and the result at "item_id" is number like this


so how can I replace Movie Name (title) instead of item_id.


I try to use set role operator and set additional roles : attribute 'title' with 'item identification' but output is the same. the "item_id" still be number. 

Thanks you for your help

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    User: "RolandJones"
    Altair Employee
    Hi @Karn,

    Is the "item_id" the same as "movieId" in your other table? If so, I would use a join on the two tables using these two columns, and then optionally you can remove/rename columns to whatever output you need.

    Any problems, please let me know.

    Best,
    Roland
    User: "Karn"
    New Altair Community Member
    OP
    @rjones13

    Hi Thank you for the solution but I'm already use join but the result still the same, I have shared my process for reference below.










    Could you please give me an advice how to solve this issue?

    Thanks you for your help
    User: "RolandJones"
    Altair Employee
    Hi @Karn,

    Are you able to share the process and the data? I can definitely look to build an example, I'm just not entirely familiar with this model that you're using so it might be a little easier.

    Best,
    Roland
    User: "Karn"
    New Altair Community Member
    OP
    Hi @rjones13

    I have share process and the data as an attachment.

    Thanks you for your help
    User: "RolandJones"
    Altair Employee
    Hi @Karn,

    Just as an update, I haven't come up with a solution right now. I've looked more into the extension, as there doesn't seem to be an immediate way to output it's mapping of item_id to the original titles. I found a website, but for now I don't seem to be able to access the workflow. I will keep investigating, and I may also see if we can come up with an alternative workflow in core operators which gets around this limitation.

    Best,
    Roland
    User: "Karn"
    New Altair Community Member
    OP
    Hi @rjones13

    Thank for the update and I'm very appreciate what you've done for me.

    In the meantime, I will try to find the solution the same.
    User: "Offer_vt"
    New Altair Community Member
    Can you share How to set target role as user identifiation. I think we have same problem and question.