Amazon Personalize Runtime

2020/07/31 - Amazon Personalize Runtime - 1 updated api methods

Changes  Adds support to use filters with Personalized Ranking recipe

GetPersonalizedRanking (updated) Link ΒΆ
Changes (request)
{'filterArn': 'string'}

Re-ranks a list of recommended items for the given user. The first item in the list is deemed the most likely item to be of interest to the user.

Note

The solution backing the campaign must have been created using a recipe of type PERSONALIZED_RANKING.

See also: AWS API Documentation

Request Syntax

client.get_personalized_ranking(
    campaignArn='string',
    inputList=[
        'string',
    ],
    userId='string',
    context={
        'string': 'string'
    },
    filterArn='string'
)
type campaignArn

string

param campaignArn

[REQUIRED]

The Amazon Resource Name (ARN) of the campaign to use for generating the personalized ranking.

type inputList

list

param inputList

[REQUIRED]

A list of items (by itemId ) to rank. If an item was not included in the training dataset, the item is appended to the end of the reranked list. The maximum is 500.

  • (string) --

type userId

string

param userId

[REQUIRED]

The user for which you want the campaign to provide a personalized ranking.

type context

dict

param context

The contextual metadata to use when getting recommendations. Contextual metadata includes any interaction information that might be relevant when getting a user's recommendations, such as the user's current location or device type.

  • (string) --

    • (string) --

type filterArn

string

param filterArn

The Amazon Resource Name (ARN) of a filter you created to include or exclude items from recommendations for a given user.

rtype

dict

returns

Response Syntax

{
    'personalizedRanking': [
        {
            'itemId': 'string',
            'score': 123.0
        },
    ]
}

Response Structure

  • (dict) --

    • personalizedRanking (list) --

      A list of items in order of most likely interest to the user. The maximum is 500.

      • (dict) --

        An object that identifies an item.

        The and APIs return a list of PredictedItem s.

        • itemId (string) --

          The recommended item ID.

        • score (float) --

          A numeric representation of the model's certainty that the item will be the next user selection. For more information on scoring logic, see how-scores-work.