You need to make one more change to your S3 bucket. You should see a screen like this:. From there, click Roles on the left side of the screen, then search for the IAM role that Cognito created for us earlier. Once you find the role, click it to open it. A policy is simply a description of what permissions this role will have. Your screen should look similar to this:. Enter the following for your ARN, but changing mturk-worker-uploads to the name you gave your Amazon S3 bucket earlier:.
The screen should look similar to this:. Then click Add. Then click Review Policy to proceed. It should look like this, but with your bucket name instead of mturk-worker-uploads:.
From here, click Create Policy to proceed. Your role should now have an additional policy attached that looks like this:. Please note that in the code below, Workers will not be required to upload a file, but will have the option of uploading a file.
If you need to require that Workers have uploaded a file, we suggest checking out Javascript libraries that support this such as JQuery Validation you can check out a demo here. To do this, we need to insert some additional code. At the top of the file, we included two new Javascript libraries to help us out. They are shown here:. The region is your AWS region, the pool is your Cognito Identity pool, and bucket is the S3 bucket you setup earlier:.
However, humans still significantly outperform the most powerful computers at completing such simple tasks as identifying objects in photographs — something children can do even before they learn to speak. When we think of interfaces between human beings and computers, we usually assume that the human being is the one requesting that a task be completed, and the computer is completing the task and providing the results.
What if this process was reversed and a computer program could ask a human being to perform a task and return the results? What if it could coordinate many human beings to perform a task? Requesters can use the MTurk web user interface or web services API to submit tasks to the MTurk web site, approve completed tasks, and incorporate the answers into their applications.
When using the web services API, the transaction looks very much like any remote procedure call — the application sends the request, and the service returns the results. All Requesters need to do is write normal code. The pseudo code below illustrates how simple this can be. Earnings are transferred to their virtual US bank account or to their Amazon. Want to suggest a country? Let us know.
You can view and edit your account information by accessing your My Account page. Please note that your MTurk Requester account is associated with your Amazon.
You can view and edit your contact address on Amazon. Note: As a US Requester, you may be prompted to establish a verified Amazon Payments account if you plan to make a purchase above certain amounts. You can create a verified Amazon Payments account at any time here.
Workers will be paid and Amazon Mechanical Turk MTurk fees will be charged when you approve submitted work. If you reject the work, the Worker is not paid and you are not charged the MTurk fees. You can review MTurk pricing here. If you would like a refund of your prepaid HIT purchase, please contact customer support. Refunds are processed to the original payment method used to prepay the account. You can find this information on the My Account page.
You can contact mturk. In order to process your request, please provide the transaction time period to be included in the receipt.
Note: If you have signed up for AWS Billing, invoicing is automated on a monthly basis and also available for download from the Billing Console. You can download your transaction history for your records here. Amazon Mechanical Turk MTurk has built technology which analyzes Worker performance, identifies high performing Workers, and monitors their performance over time. Workers who have demonstrated excellence across a wide range of HITs are awarded the Masters Qualification.
Masters must continue to pass our statistical monitoring to maintain the MTurk Masters Qualification. Yes, all non-U. Workers are required to do. The tax information interview collects the U. Funds held for assignment liability is an estimated amount representing how much you would have to pay Workers if Workers submitted results for every assignment you are requesting, and you approved all of the results.
We hold these funds because we need to ensure that Workers are paid promptly for their work on Amazon Mechanical Turk MTurk. Your assignment liability will increase as you create new HITs and will decrease as you approve or reject assignments. If you have no outstanding assignments, you will have zero assignment liability.
MTurk is a marketplace for completing tasks by exercising human judgment. We take this seriously, so if we determine that you are using bots, scripts, or other automated methods to complete HITs, we may suspend or terminate your account, and your rewards balance may be forfeited.
You may not use, or encourage others to use, MTurk for any illegal, harmful, fraudulent, infringing, or objectionable activities. Here are some examples of prohibited activities:.
Yes, if you comply with the following requirements. If your HIT may contain adult content e. As a public crowd marketplace, MTurk is not designed to be a platform for sharing or publishing workloads containing personal information.
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