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Event Information HCIL Lecture: Jon Kleinberg, "Status, Power, and Incentives in Social Media" Wednesday, October 10, 2012 4:00 p.m. 2105 Hornbake Building, South Wing For More Information: HCIL hcil-info@cs.umd.edu http://www.cs.umd.edu/hcil/about/events/seminar-series.shtml Human-Computer Interaction Laboratory 30th Anniversary Distinguished Lecturer Series Status, Power, and Incentives in Social Media Jon Kleinberg Cornell University Reception: 3:15 p.m., HCIL, 2105 Hornbake Building, South Wing Lecture: 4-5 p.m., 0109 Hornbake Building, South Wing Abstract Many of the social phenomena that take place on-line can be usefully interpreted in terms of status, power, and the mechanisms by which people evaluate and form opinions about each other. We discuss a set of approaches for measuring status, ranging from metrics based on contributions to subtle signals in the language people use when they interact with one another. We also consider ways in which the allocation of status can provide incentives that shape the collective work of a community; surprisingly, we find that in theoretical models of effort by credit-seeking individuals, certain unfair assignments of status produce incentives that can lead to increased productivity. The talk includes joint work with Ashton Anderson, Cristian Danescu-Niculescu-Mizil, Dan Huttenlocher, Lillian Lee, Jure Leskovec, Sigal Oren, and Bo Pang. Biography Jon Kleinberg is the Tisch University Professor in the Departments of Computer Science and Information Science at Cornell University. His research focuses on issues at the interface of networks and information, with an emphasis on the social and information networks that underpin the Web and other on-line media. He is a member of the National Academy of Sciences, the National Academy of Engineering, and the American Academy of Arts and Sciences, and the recipient of MacArthur, Packard, and Sloan Foundation Fellowships, as well as awards including the Nevanlinna Prize from the International Mathematical Union and the ACM-Infosys Foundation Award in the Computing Sciences. Come help the HCIL celebrate its 30th Anniversary with the 30th Anniversary Distinguished Lecturer Series. This series offers a common ground that can promote interdisciplinary discussion on a wide range of topics relating to Human-Computer Interaction. These lectures are free and open to the public. No reservations are needed. 2012-2013 Seminars/Speakers Jon Kleinberg, Cornell University Ellen Miller, Sunlight Foundation Mary Czerwinski, Microsoft Mark Guzdial, GA Tech Mor Naaman, Rutgers For questions or comments, contact the HCIL at hcil-info@cs.umd.edu This Event is For: Public

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