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

To help activists call new volunteers to action, we present Botivist: a platform that uses
Twitter bots to find potential volunteers and request contributions. By leveraging different …

Over the past 25 years, social science research in diverse fields has shifted its best
explanations of innovation from (a) atomistic invention and development by individuals …

Crowdsourcing (CS) by cultural and heritage institutions engage volunteers in online
projects without monetary compensation. Uncertainty concerning online volunteer …

Open Source Software (OSS) development is a collaborative endeavor where expert
developers, distributed around the globe create software solutions. Given this characteristic …

Research in Human-Computer Interaction for Development (HCI4D) routinely relies on and
engages with the increasing penetration of smartphones and the internet. We examine the …

We propose a set of methodological principles and strategies for the use of trace data, ie,
data capturing performances carried out on or via information systems, often at a fine level of …

The extensive Wikipedia literature has largely considered Wikipedia in isolation, outside of
the context of its broader Internet ecosystem. Very recent research has demonstrated the …

Honours fulfil one of the most fundamental desires of human beings, namely, to be
recognised and held in esteem by others. There are thousands of awards in all areas of …

The paper explores the motivations of volunteers in a large crowd sourcing project and
contributes to our understanding of the motivational factors that lead to deeper engagement …