Thursday, January 23, 2014

Title: Power to the People: Approaches to Crowdsourcing
Speaker: Ben Bederson (Human-Computer Interaction Lab, University of Maryland)
Date: Wednesday, January 29
Time: 12-1pm
Room: GHC 6501

One of the (many) challenges of crowdsourcing is getting hard tasks done well. In this talk, I will describe several projects that approach this in different ways: 1. MonoTrans brings monolingual crowds together to translate text by improving upon machine translation, and asking for help from across the language barrier, and challenges in making them successful. 2. AskSheet helps make decisions efficiently by optimizing a spreadsheet model to decide which information needs to be collected by the crowd. 3. QA supports active learning in a traditional classroom setting by crowdsourcing in a room. It uses the students to collectively annotate and aggregate each other’s response to a question - aiming to create a more thoughtful “classroom response” system. Bring your laptop (or mobile device) to try out QA, and we’ll see if we can learn something from each other.

Benjamin B. Bederson is a Professor of Computer Science and prior director of the Human-Computer Interaction Lab at the Institute for Advanced Computer Studies and iSchool at the University of Maryland. He is currently Special Advisor to the Provost on Technology and Educational Transformation. An ACM Distinguished Scientist, his research is on digital education, human computation, and interaction strategies. He is also Co-founder and Chief Scientist of Zumobi, a mobile app and advertising company.