Jacob Kramer-Duffield

Friends only: examining a privacy-enhancing behavior in facebook

Privacy practices in social network sites often appear paradoxical, as content-sharing behavior stands in conflict with the need to reduce disclosure-related harms. In this study we explore privacy in social network sites as a contextual information practice, managed by a process of boundary regulation. Drawing on a sample survey of undergraduate Facebook users, we examine a particular privacy-enhancing practice: having a friends-only Facebook profile. Particularly, we look at the association between network composition, expectancy violations, interpersonal privacy practices and having a friends-only profile. We find that expectancy violations by weak ties and increased levels of interpersonal privacy management are positively associated with having a friends-only profile. We conclude with a discussion of how these findings may be integrated into the design of systems to facilitate interaction while enhancing individual privacy.

Modeling cultural acquisition in online social networks

This research proposes to study the relationship between audience, context and disclosure in online social network sites. Studying a population of college students, the researchers will use a survey to explore how social maturity, perceived friend network size, and long-term goals affect the identity presented in online social networks. This goal of this analysis is to document a process of identity formation in online social networks. In the model, individuals choose strategies of identity presentation based on notions of in-group awareness, future-selves and social context. This model will be tested with survey methods.

Digital libraries for biodiversity and natural history collections

This panel aims to discuss the importance of creating digital libraries for biodiversity and natural history collections, the state of the art in terms of standards, best practices and the challenges that natural history museums and herbaria face when trying to digitize their collections, and the creation and management of personal digital libraries for botanical learning.

What is an event? Domain constraints for temporal analysis of chief complaints and triage notes

In this paper we present preliminary results of a study of events represented in portions of the Emergency Department (ED) patient record. An advantage to working in such a specific domain is that we can use domain knowledge to reveal events that are not explicitly mentioned in the record. In addition, domain assumptions and constraints can be used to identify or clarify temporal characteristics of events, allowing more precise placement on an event timeline.

Evaluating technology-, information literacy-, and content-related learning outcomes among undergraduate students in face-to-face and social networking environments

Notes 1 This project is funded under award #0737466 from the National Science Foundation; Course, Curriculum, and Laboratory Improvement (CCLI)Phase 1 (Exploratory), Scholarships in Science, Technology, Engineering, and Mathematics (S-STEM). 2 Email: phillip.m.edwards@unc.edu Phillip M. Edwards2, Evelyn Daniel, Claudia J. Gollop, Jane Greenberg, Jacob Kramer-Duffield, Hill Taylor, and David Woodbury University of North Carolina at Chapel Hill School of Information and Library Science Chapel Hill, NC, USA Stephen Seiberling and Alan S. Weakley University of North Carolina at Chapel Hill University of North Carolina Herbarium Chapel Hill, NC, USA Michael Shoffner Renaissance Computing Institute (RENCI) Chapel Hill, NC, USA