Now showing items 421-430 of 430
Growth Matters: Identifying Best Practices in Growing Civic Collaborations.
(2007)
The recently introduced Health Children and Families Act represents a potential $15B investment in promoting community health by legislating the implementation of the Nurse-Family Partnerships (NFP) program in all 50 states. ...
Understanding and Augmenting Expertise Networks.
(2008)
This thesis investigates large scale knowledge searching and sharing processes in online communities and organizations. It focuses on understanding the relationship between social networks and expertise sharing activities. ...
Social networks, social capital, and the use of information and communications technology in socially excluded communities: a study of community groups in Manchester, England
(2005)
This study investigates grassroots community groups in low-income or (more specifically) socially excluded areas using information and communications technology (ICT) and the social ties that support their ICT use. How and ...
Exposure to Controversy in an Information Society
(2005)
How will people use the Internet and other emerging information and communication technologies (ICTs) to shape their exposure to political information? Will Internet users be inclined to fashion an information environment ...
Ratings Use in an Online Discussion System: The Slashdot Case
(2006)
Large-scale, online communication systems allow many-to-many interactions among users, which can result in a variety of positive outcomes. However, the prevalence of information overload and problems caused by the loss ...
Provision, Interpretation and Effects of Feedback in Reputation Systems.
(2008)
This dissertation addresses three questions that arise out of the voluntary and subjective provision of feedback and its subjective interpretation. The first study is an experimental investigation of a mechanism designed ...
Short-term Event Tracking in Dynamic Online News
(2006)
When an important event happens, such as a terrorist attack or natural disaster, many people turn to the World Wide Web to keep track of the most current information. Because large numbers of online agencies report on such ...
DEFINING DIGITAL PRESERVATION WORK: A CASE STUDY OF THE DEVELOPMENT OF THE REFERENCE MODEL FOR AN OPEN ARCHIVAL INFORMATION SYSTEM
(2005)
I report on a multi-method case study of the development of a standard called the
Reference Model for an Open Archival Information System (OAIS), which describes components and services required to develop and maintain ...
Interactivity and Electronic Communication: An Experimental Study of Mediated Feedback.
(2008)
Interpersonal critical feedback is a particularly important form of organizational communication. With the rise of distributed work practices, virtual teams, and other non-collocated forms of work, feedback must increasingly ...