Online harassment is a complex and growing problem. On Twitter, one mechanism people
use to avoid harassment is the blocklist, a list of accounts that are preemptively blocked from …

Analyzing Social Media Networks with NodeXL offers backgrounds in information studies,
computer science, and sociology. This book is divided into three parts: analyzing social …

Billions of people participate in online social activities. Most users participate as readers of
discussion boards, searchers of blog posts, or viewers of photos. A fraction of users become …

We present a novel platform for supporting public deliberation on difficult decisions.
ConsiderIt guides people to reflect on tradeoffs and the perspectives of others by framing …

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

Prior research on Wikipedia has characterized the growth in content and editors as being
fundamentally exponential in nature, extrapolating current trends into the future. We show …

Wikipedia has become one of the ten most visited sites on the Web, and the world's leading
source of Web reference information. Its rapid success has inspired hundreds of scholars …

In this paper, we examine the social roles of software tools in the English-language
Wikipedia, specifically focusing on autonomous editing programs and assisted editing tools …

Online production groups have the potential to transform the way that knowledge is
produced and disseminated. One of the most widely used forms of online production is the …

This paper presents a model of the behavior of candidates for promotion to administrator
status in Wikipedia. It uses a policy capture framework to highlight similarities and …