Abstract Amazon's Mechanical Turk is an online labor market where requesters post jobs
and workers choose which jobs to do for pay. The central purpose of this article is to …

Despite the seemingly low switching and search costs of on-demand labor markets like
Amazon Mechanical Turk, we find substantial monopsony power, as measured by the …

Some queries cannot be answered by machines only. Processing such queries requires
human input for providing information that is missing from the database, for performing …

Crowd sourcing is evolving as a distributed problem-solving and business production model
in recent years. In crowd sourcing paradigm, tasks are distributed to networked people to …

Mobile crowdsensing serves as a critical building block for emerging Internet of Things (IoT)
applications. However, the sensing devices continuously generate a large amount of data …

This paper addresses the challenge of assessing and modeling Quality of Experience (QoE)
for online video services that are based on TCP-streaming. We present a dedicated QoE …

Preparing complex jobs for crowdsourcing marketplaces requires careful attention to
workflow design, the process of decomposing jobs into multiple tasks, which are solved by …

In recent years, a number of online labor markets have emerged that allow workers from
around the world to sell their labor to an equally global pool of buyers. The creators of these …

Online communities have become an important source for knowledge and new ideas.
However, little is known about how to create a compelling virtual experience to inspire …

Increasingly, organisations flexibly outsource work on a temporary basis to a global
audience of workers. This so-called crowdsourcing has been applied successfully to a range …