The emergence of online widescale interaction in unexpected events: assistance, alliance & retreat
Proceedings of the 2008 ACM conference on Computer supported cooperative work
Charitable technologies: opportunities for collaborative computing in nonprofit fundraising
Proceedings of the 2008 ACM conference on Computer supported cooperative work
Expanding a country's borders during war: the internet war diary
Proceedings of the 2009 international workshop on Intercultural collaboration
Proceedings of the 2010 ACM-BCS Visions of Computer Science Conference
Blogging through conflict: sojourners in the age of social media
Proceedings of the 3rd international conference on Intercultural collaboration
Microblogging after a major disaster in China: a case study of the 2010 Yushu earthquake
Proceedings of the ACM 2011 conference on Computer supported cooperative work
Second international workshop on ubiquitous crowdsourcing: towards a platform for crowd computing
Proceedings of the 13th international conference on Ubiquitous computing
ACM Transactions on Computer-Human Interaction (TOCHI)
'facebooking' towards crisis recovery and beyond: disruption as an opportunity
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Blogs as a collective war diary
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Relief work after the 2010 Haiti earthquake: leadership in an online resource coordination network
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Sub-event detection during natural hazards using features of social media data
Proceedings of the 22nd international conference on World Wide Web companion
From sensing to controlling: the state of the art in ubiquitous crowdsourcing
International Journal of Communication Networks and Distributed Systems
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The Internet is widely valued for distributing control over information to a lateral network of individuals, but it is not clear how these networks can most effectively organize themselves. This paper describes the distributed networks of volunteers that emerged online following Hurricane Katrina. Online communities responded to the disaster by facilitating the distribution of donated goods from ordinary people directly to hurricane survivors. These "connected giving" groups faced several challenges: establishing authority within the group, providing relevant information, developing trust in one another, and sustaining the group over time. Two forms of computer-mediated connected giving were observed: small blog communities and large forums. Small blog communities used a centralized authority structure that was more immediately successful in managing information and developing trust, but over time, blog communities were difficult to sustain. Larger and more decentralized forums had greater difficulties focusing the community's communication and developing trust but sustained themselves over a long period of time.