ChunYuen Teng

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As individuals communicate, their exchanges form a dynamic network. We demonstrate, using time series analysis of communication in three online settings, that network structure alone can be highly revealing of the diversity and novelty of the information being communicated. Our approach uses both standard and novel network metrics to characterize how(More)
As online social networks expand their role beyond maintaining existing relationships, they may look to more faceted ratings to support the formation of new connections between their users. Our study focuses on one community employing faceted ratings,, and combines data analysis of ratings, a large-scale survey, and in-depth interviews. In(More)
Virtual goods continue to emerge in online communities, offering scholars an opportunity to understand how social networks can facilitate the diffusion of innovations. We examine the social ties for over one million user-to-user virtual goods transfers in Second Life, a popular 3D virtual world, and the unique role that groups play in the diffusion of(More)
We find that ratings are not absolute, but rather depend on whether they are given anonymously or under one’s own name and whether they are displayed publicly or held confidentially. The potential to reciprocate produces higher and more correlated ratings than when individuals are unable to see how others rated them. Ratings further depend on the gender and(More)
User retention is important to the success of online social media, particularly in virtual world settings where users shape one another’s online experience. We study a rich set of variables, including social network and group membership, chatting, and transactions, in order to predict which users will stay and which ones will leave. We find that simple(More)
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