Sorin Adam Matei
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A social entropy vision of wiki collaboration

Sorin Adam Matei

Despite the fact that diverse and equal participation of members is considered to be the essence of true online communities, no compelling index has been proposed to measure the degree of diversity in terms of contributions of content to online social environments. The primary purpose of the paper is to reintroduce to the communication field a tool particularly suited for measuring diversity and equality of participation. This paper argues that the notion of social entropy, as defined in information theory, can be applied to measure participatory diversity and is especially suitable for characterizing online groups. Adopting social entropy researchers can better and more systematically (i) estimate participatory diversity of online communities or groups; (ii) compare different online groups in terms of participatory diversity; (iii) evaluate changes of contribution over time; (v) understand online interaction dynamics at small and large group scales.

READ THE Collaboration and Communication in Online Environments: A Social Entropy Approach BY SORIN MATEI, KYOUNGRAE OH AND ROBERT BRUNO

Sorin Adam Matei

Assistant Vice President for Partnerships in Strategic Defense Innnovation and Professor of Communication at Purdue University, Director of the FORCES initiative leads research teams that study the relationship between technological and social systems using big data, simulation, and mapping approaches. He published papers and articles in Journal of Communication, Communication Research, Information Society, National Interest, and Foreign Policy. He is the author or co-editor of several books. The most recent is Structural differentation in social media. He also co-edited Ethical Reasoning in Big Data,Transparency in social media and Roles, Trust, and Reputation in Social Media Knowledge Markets: Theory and Methods (Computational Social Sciences) , all three the product of the NSF funded KredibleNet project. Dr. Matei's teaching portfolio includes technology and strategy, online interaction, and digital media analytics classes. A former BBC World Service journalist, his contributions have been published in Esquire and several leading Romanian newspapers. In Romania, he is known for his books Boierii Mintii (The Mind Boyars), Idolii forului (Idols of the forum), and Idei de schimb (Spare ideas).

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