Online interaction is now a regular part of daily life for a demographically diverse population
of hundreds of millions of people worldwide. These interactions generate fine-grained time …

Wikipedia has been the poster child for large-scale online open collaboration while few
other online open collaboration initiatives have achieved similar success. How did …

How is crowd organization produced? How are crowd-enabled networks activated,
structured, and maintained in the absence of recognized leaders, common goals, or …

Online citizen science projects engage volunteers in collecting, analyzing, and curating
scientific data. Existing projects have demonstrated the value of using volunteers to collect …

Despite the egalitarian rhetoric surrounding online cultural production, profound gender
inequalities remain in who contributes to one of the most visited Web sites worldwide …

Organizations increasingly initiate Internet-based innovation-contest communities through
which individuals can interact and contribute to the innovation process. To successfully …

This paper considers a subset of the computer-mediated communication (CMC) that took
place during the flooding of the Red River Valley in the US and Canada in March and April …

Wikipedia has mobilized a collective of millions to produce an enormous, high-quality
encyclopedia without traditional hierarchical organization or financial incentives. More than …

Open content web sites depend on users to produce information of value. Wikipedia is the
largest and most well-known such site. Previous work has shown that a small fraction of …

Badges have garnered great interest among scholars of digital media and learning. In
addition, widespread initiatives such as Mozilla's Open Badge Framework expand the …