실시간 추천 필터링

import boto3
 
personalize = boto3.client('personalize')
 
response = personalize.create_filter(
    name = 'Filter Name',
    datasetGroupArn = 'Dataset Group ARN',
    filterExpression = 'EXCLUDE ItemID WHERE Items.CATEGORY IN ($CATEGORY)'
) 
filter_arn = response["filterArn"]
print("Filter ARN: " + filter_arn)

public static String createFilter(PersonalizeClient personalizeClient,
                                 String filterName,
                                 String datasetGroupArn,
                                 String filterExpression) {
    try {
        CreateFilterRequest request = CreateFilterRequest.builder()
                .name(filterName)
                .datasetGroupArn(datasetGroupArn)
                .filterExpression(filterExpression)
                .build();

        return personalizeClient.createFilter(request).filterArn();
    }
    catch(PersonalizeException e) {
        System.err.println(e.awsErrorDetails().errorMessage());
        System.exit(1);
    }
    return "";
}

// Get service clients module and commands using ES6 syntax.
import { CreateFilterCommand } from
  "@aws-sdk/client-personalize";
import { personalizeClient } from "./libs/personalizeClients.js";
// Or, create the client here.
// const personalizeClient = new PersonalizeClient({ region: "REGION"});

// Set the filter's parameters.
export const createFilterParam = {
  datasetGroupArn: 'DATASET_GROUP_ARN', /* required */
  name: 'NAME', /* required */
  filterExpression: 'FILTER_EXPRESSION' /*required */
}

export const run = async () => {
  try {
    const response = await personalizeClient.send(new CreateFilterCommand(createFilterParam));
    console.log("Success", response);
    return response; // For unit tests.
  } catch (err) {
    console.log("Error", err);
  }
};
run();

import boto3

personalize_runtime = boto3.client("personalize-runtime")

response = personalize_runtime.get_recommendations(
    campaignArn = "Campaign ARN",
    userId = "User ID",
    filterArn = "Filter ARN",
    filterValues = {
      "Parameter name": "\"value1\"",
      "Parameter name": "\"value1\",\"value2\",\"value3\""
      ....
    }
)

다음 예제에서는 두 개의 값이 있는 파라미터와 값이 한 개인 파라미터를 사용합니다. 필터 표현식에 따라 코드를 수정하여 parameterName 및 parameterValue 필드를 추가하거나 제거합니다.

public static void getFilteredRecs(PersonalizeRuntimeClient personalizeRuntimeClient,
                                   String campaignArn,
                                   String userId,
                                   String filterArn,
                                   String parameter1Name,
                                   String parameter1Value1,
                                   String parameter1Value2,
                                   String parameter2Name,
                                   String parameter2Value){

    try {

        Map<String, String> filterValues = new HashMap<>();

        filterValues.put(parameter1Name, String.format("\"%1$s\",\"%2$s\"",
                parameter1Value1, parameter1Value2));
        filterValues.put(parameter2Name, String.format("\"%1$s\"",
                parameter2Value));

        GetRecommendationsRequest recommendationsRequest = GetRecommendationsRequest.builder()
                .campaignArn(campaignArn)
                .numResults(20)
                .userId(userId)
                .filterArn(filterArn)
                .filterValues(filterValues)
                .build();

        GetRecommendationsResponse recommendationsResponse = personalizeRuntimeClient.getRecommendations(recommendationsRequest);
        List<PredictedItem> items = recommendationsResponse.itemList();

        for (PredictedItem item: items) {
            System.out.println("Item Id is : "+item.itemId());
            System.out.println("Item score is : "+item.score());
        }
    } catch (PersonalizeRuntimeException e) {
        System.err.println(e.awsErrorDetails().errorMessage());
        System.exit(1);
    }
}

// Get service clients module and commands using ES6 syntax.
import { GetRecommendationsCommand } from
  "@aws-sdk/client-personalize-runtime";
import { personalizeRuntimeClient } from "./libs/personalizeClients.js";
// Or, create the client here:
// const personalizeRuntimeClient = new PersonalizeRuntimeClient({ region: "REGION"});

// Set recommendation request parameters.
export const getRecommendationsParam = {
  campaignArn: 'CAMPAIGN_ARN', /* required */
  userId: 'USER_ID',      /* required */
  numResults: 15,    /* optional */
  filterArn: 'FILTER_ARN',   /* required to filter recommendations */
  filterValues: {
    "PROPERTY": "\"VALUE\""  /* Only required if your filter has a placeholder parameter */
  }
}

export const run = async () => {
  try {
    const response = await personalizeRuntimeClient.send(new GetRecommendationsCommand(getRecommendationsParam));
    console.log("Success!", response);
    return response; // For unit tests.
  } catch (err) {
    console.log("Error", err);
  }
};
run();