HomeAIRun an viewers overlap evaluation in AWS Clear Rooms

Run an viewers overlap evaluation in AWS Clear Rooms

Advertisers, publishers, and promoting know-how suppliers are actively in search of environment friendly methods to collaborate with their companions to generate insights about their collective datasets. One frequent cause to interact in knowledge collaboration is to run an viewers overlap evaluation, which is a typical evaluation to run when media planning and evaluating new partnerships.

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On this put up, we discover what an viewers overlap evaluation is, focus on the present technical approaches and their challenges, and illustrate how one can run safe viewers overlap evaluation utilizing AWS Clear Rooms.

Viewers overlap evaluation

Viewers overlap is the share of customers in your viewers who’re additionally current in one other dataset (calculated because the variety of customers current in each your viewers and one other dataset divided by the full variety of customers in your viewers). Within the digital media planning course of, viewers overlaps are sometimes carried out to match an advertiser’s first-party dataset with a media companion’s (writer) dataset. The evaluation helps decide how a lot of the advertiser’s viewers will be reached by a given media companion. By evaluating the overlap, advertisers can decide whether or not a media companion gives distinctive attain or if the media companion’s viewers predominantly overlaps with the advertiser’s current viewers.

Present approaches and challenges

Advertisers, publishers, third-party knowledge suppliers, and different entities usually share their knowledge when operating viewers overlaps or match assessments. Widespread strategies for sharing knowledge, equivalent to utilizing pixels and SFTP transfers, can carry danger as a result of they contain shifting delicate buyer data. Sharing this knowledge to a different celebration will be time consuming and improve the danger of potential knowledge breaches or unauthorized entry. If the receiving celebration mishandles the information, it may violate privateness rules, leading to authorized dangers. Additionally, any perceived misuse or publicity of buyer knowledge can erode client belief, resulting in reputational injury and potential lack of enterprise.

Answer overview

AWS Clear Rooms might help you and your companions effortlessly and securely collaborate on and analyze your collective datasets—with out copying one another’s underlying knowledge. With AWS Clear Rooms, you may create a knowledge clear room in minutes and collaborate along with your companions to generate distinctive insights. AWS Clear Rooms lets you run an viewers overlap evaluation and generate useful insights whereas avoiding dangers related to different present approaches.

The next are key ideas and conditions to make use of AWS Clear Rooms:

  • Every celebration within the evaluation (collaboration member) must have an AWS account.
  • One member invitations the opposite member to the AWS Clear Rooms collaboration. It doesn’t matter which member creates the invitation. The collaboration creator makes use of the invitee’s AWS account ID as enter to ship invites.
  • Just one member can question within the collaboration, and just one member can obtain outcomes from the collaboration. The skills of every member are outlined when the collaboration is created.
  • Every collaboration member shops datasets of their respective Amazon Easy Storage Service (Amazon S3) bucket and catalogs them (creates a schema with column names and knowledge varieties) within the AWS Glue Knowledge Catalog. You can too create the Knowledge Catalog definition utilizing the Amazon Athena create database and create desk statements.
  • Collaborators must have their S3 buckets and Knowledge Catalog tables in the identical AWS Area.
  • Collaborators can use the AWS Clear Rooms console, APIs, or AWS SDKs to arrange a collaboration.
  • AWS Clear Rooms allows you to use any column as a be part of key, for instance hashed MAIDs, emails, IP addresses, and RampIDs.
  • Every collaboration member associates their very own knowledge to the collaboration.

Let’s have a look at a situation wherein an advertiser collaborates with a writer to establish the viewers overlap. On this instance, the writer creates the collaboration, invitations the advertiser, and designates the advertiser because the member who can question and obtain outcomes.


To ask one other particular person to a collaboration, you want their AWS account ID. In our use case, the writer wants the AWS account ID of the advertiser.

Create a collaboration

In our use case, the writer creates a collaboration utilizing the AWS Clear Rooms console and invitations the advertiser.

To create a collaboration, full the next steps:

  1. On the AWS Clear Rooms, console, select Collaborations within the navigation pane.
  2. Select Create collaboration.
  3. For Title, enter a reputation for the collaboration.
  4. Within the Members part, enter the AWS account ID of the account you wish to invite (on this case, the advertiser).
  5. Within the Member talents part, select the member who can question and obtain outcomes (on this case, the advertiser).
  6. For Question logging, determine if you’d like question logging turned on. The queries are logged to Amazon CloudWatch.
  7. For Cryptographic computing, determine if you wish to activate help for cryptographic computing (pre-encrypt your knowledge earlier than associating it). AWS Clear Rooms will then run queries on the encrypted knowledge.
  8. Select Subsequent.
  9. On the Configure membership web page, select if you wish to create the membership and collaboration now, or create the collaboration however activate your membership later.
  10. For Question outcomes settings defaults, select if you wish to maintain the default settings to obtain outcomes.
  11. For Log storage in Amazon CloudWatch Logs, specify your log settings.
  12. Specify any tags and who’s paying for queries.
  13. Select Subsequent.
  14. Evaluation the configuration and select to both create the collaboration and membership now, or simply the collaboration.

The writer sends an invite to the advertiser. The advertiser evaluations the collaboration settings and creates a membership.

Create a configured desk and set evaluation guidelines

The writer creates a configured desk from the AWS Glue desk (which represents the metadata definition of the S3 knowledge, together with location, so it may be learn by AWS Clear Rooms when the question is run).

Full the next steps:

  1. On the AWS Clear Rooms console, select Configured tables within the navigation pane.
  2. Select Configure new desk.
  3. Within the Select AWS Glue desk part, select your database and desk.
  4. Within the Columns allowed in collaboration part, select which of the prevailing desk columns to permit for querying within the collaboration.
  5. Within the Configured desk particulars part, enter a reputation and optionally available description for the configured desk.
  6. Select Configure new desk.Create a configured table and set analysis rules
  7. Select the evaluation rule kind that matches the kind of queries you wish to enable on desk. To permit an aggregation evaluation, equivalent to discovering the dimensions of the viewers overlap, select the aggregation evaluation rule kind.
  8. Within the Combination features part, select COUNT DISTINCT as the mixture operate.
  9. Within the Be a part of controls part, select whether or not your collaborator is required to affix a desk with yours. As a result of that is an viewers overlap use case, choose No, solely overlap will be queried.
  10. Choose the operators to permit for matching (for this instance, choose AND and OR).
  11. Within the Dimension controls part, select if you wish to make any columns accessible as dimensions.
  12. Within the Scalar features part, select if you wish to restrict the scalar features allowed.
  13. Select Subsequent.Aggregate functions
  14. Within the Aggregation constraints part, select the minimal aggregation constraint for the configured desk.

This lets you filter out rows that don’t meet a sure minimal threshold of customers (for instance, if the brink is about to 10, rows that mixture fewer than 10 customers are filtered out).

  1. Select Subsequent.Specify query results controls
  2. Evaluation the settings and create the desk.

Affiliate the desk to the collaboration

AWS Clear Rooms requires entry to learn the desk with the intention to run the question submitted by the advertiser. Full the next steps to affiliate the desk:

  1. On the AWS Clear Rooms console, navigate to your collaboration.
  2. Select Affiliate desk.
  3. For Configured desk identify, select the identify of your configured desk.
  4. Within the Desk affiliation particulars part, enter a reputation and optionally available description for the desk.
  5. Within the Service entry part, you may select to can use the default settings to create an AWS Id and Entry Administration (IAM) service function for AWS Clear Rooms routinely, or you need to use an current function. IAM permissions are required to create or modify the function and cross the function to AWS Clear Rooms.
  6. Select Affiliate desk.Associate the table to the collaboration

The advertiser additionally completes the steps detailed within the previous sections to create a configured desk and affiliate it to the collaboration.

Run queries within the question editor

The advertiser can now navigate to the Queries tab for the collaboration and evaluation tables to question and their evaluation guidelines. You possibly can specify

the S3 bucket the place the output of the overlap question will go.

The advertiser can now write and run an overlap question. You need to use a hashed e-mail as a be part of key for the question (you have got the choice to make use of any column because the be part of key and can even use a number of columns for a number of be part of keys). You can too use the Evaluation Builder no-code choice to have AWS Clear Rooms generate SQL in your behalf. For our use case, we run the next queries:

#Question 1 – depend of overlapping customers between advertiser and writer datasets

SELECT COUNT(DISTINCT advertiser.hashed_email)
FROM client as advertiser
INNER JOIN impressions as writer
ON advertiser.hashed_email = writer.hashed_email

#Question 2 – depend of customers in advertiser dataset

SELECT COUNT(DISTINCT advertiser.hashed_email)
FROM client as advertiser

Run queries in the query editor

The question outcomes are despatched to the advertiser’s S3 bucket, as proven within the following screenshot.

The query results are sent to the advertiser’s S3 bucket

Clear up

It’s a finest observe to delete sources which might be not getting used. The advertiser and writer ought to clear up their respective sources:

  • Advertiser – The advertiser deletes their configured desk associations and collaboration membership. Nevertheless, they don’t must delete their configured desk as a result of it’s reusable throughout collaborations.
  • Writer – The writer deletes their configured desk associations and the collaboration. They don’t must delete their configured desk as a result of it’s reusable throughout collaborations.


On this put up, we demonstrated how you can arrange an viewers overlap collaboration utilizing AWS Clear Rooms for media planning and partnership analysis utilizing a hashed e-mail as a be part of key between datasets. Advertisers are more and more turning to AWS Clear Rooms to conduct viewers overlap analyses with their media companions, aiding their media funding choices. Moreover, viewers overlaps make it easier to speed up your partnership evaluations by figuring out the extent of overlap you share with potential companions.

To be taught extra about AWS Clear Rooms, watch the video Getting Began with AWS Clear Rooms, and confer with the next further sources:

Concerning the Authors

Eric Saccullo headshotEric Saccullo is a Senior Enterprise Growth Supervisor for AWS Clear Rooms at Amazon Net Companies. He’s centered on serving to clients collaborate with their companions in privacy-enhanced methods to realize insights and enhance enterprise outcomes.

Shamir Tanna headshotShamir Tanna is a Senior Technical Product Supervisor at Amazon Net Companies.

Ryan Malecky headshotRyan Malecky is a Senior Options Architect at Amazon Net Companies. He’s centered on serving to clients achieve insights from their knowledge, particularly with AWS Clear Rooms.

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