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Panos Ipeirotis

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Statistical Considerations for Crowdsourced Perceptual Ratings of Human Speech Production

  • Post author:Panos Ipeirotis
  • Post published:June 11, 2019
  • Post category:

Crowdsourcing has become a major tool for scholarly research since its introduction to the academic sphere in 2008.  However, unlike in traditional laboratory settings, it is nearly impossible to control…

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Demographics and Dynamics of Mechanical Turk Workers

  • Post author:Panos Ipeirotis
  • Post published:February 6, 2018
  • Post category:

We present an analysis of the population dynamics and demographics of Amazon Mechanical Turk workers based on the results of the survey that we conducted over a period of 28…

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Detecting Employee Misconduct and Malfeasance

  • Post author:Panos Ipeirotis
  • Post published:January 25, 2018
  • Post category:

In the United States financial firms have the regulatory obligation to monitor the communications of their employees (e.g., emails, chats, phone calls) in order to detect misconduct.  Some forms of…

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Cost-Effective Quality Assurance in Crowd Labeling

  • Post author:Panos Ipeirotis
  • Post published:March 1, 2017
  • Post category:

The emergence of online paid crowdsourcing platforms, such as Amazon Mechanical Turk (AMT), presents us huge opportunities to distribute tasks to human workers around the world, on-demand and at scale. …

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Getting More for Less: Optimized Crowdsourcing with Dynamic Tasks and Goals

  • Post author:Panos Ipeirotis
  • Post published:June 2, 2015
  • Post category:

In crowdsourcing systems, the interests of contributing participants and system designers are often at odds.  Participants seek to perform easy tasks, which offer them instant gratification, while system designers want…

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The Dynamics of Micro-Task Crowdsourcing — The Case of Amazon Mechanical Turk

  • Post author:Panos Ipeirotis
  • Post published:June 2, 2015
  • Post category:

Micro-task crowdsourcing is rapidly gaining popularity among research communities and businesses as a means to leverage Human Computation in their daily operations.  Unlike any other service, a crowdsourcing platform is…

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