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Št. zadetkov: 6
Sidelines: An Algorithm for Increasing Diversity in News and Opinion Aggregators
Sean A. Munson
Video in druga učna gradiva
Oznake: computer science;network analysis;social networks
Aggregators rely on votes, and links to select and present subsets of the large quantity of news and opinion items gen- erated each day. Opinion and topic diversity in the output sets can provide individual and societal benefits, but simply selecting the most popular items may not yield as much di- ...
Leto: 2009 Vir: videolectures.net
The Prevalence of Political Discourse in Non-Political Blogs
Sean A. Munson
Video in druga učna gradiva
Oznake: social sciences;journalism;blogging
Though political theorists have emphasized the importance of political discussion in non-political spaces, past study of online political discussion has focused on primarily political websites. Using a random sample from Blogger.com, we find that 25% of all political posts are from blogs that post a ...
Leto: 2011 Vir: videolectures.net
Encouraging Reading of Diverse Political Viewpoints with a Browser Widget
Sean A. Munson
Video in druga učna gradiva
Oznake: computer science;internet, world wide web;social media;machine learning
The Internet gives individuals more choice in political news and information sources and more tools to filter out disagreeable information. Citing the preference described by selective exposure theory - people prefer information that supports their beliefs and avoid counter-attitudinal informati ...
Leto: 2013 Vir: videolectures.net
Welcome to the ACM Web Science 2011
Ethan Munson
Video in druga učna gradiva
Oznake: events
Leto: 2011 Vir: videolectures.net
On Feature Selection, Bias-Variance, and Bagging
M. Arthur Munson
Video in druga učna gradiva
Oznake: computer science;machine learning;feature selection
We examine the mechanism by which feature selection improves the accuracy of supervised learning. An empirical bias/variance analysis as feature selection progresses indicates that the most accurate feature set corresponds to the best bias-variance trade-off point for the learning algorithm. Often, ...
Leto: 2009 Vir: videolectures.net
Educational Technology Exemplars for US Schools of Engineering
Linda M. Abriola , Irene Georgakoudi , Alan W. Cramb , Shekhar Garde , Don P. Giddens , Amy Pritchett , David C. Munson Jr. , Peter M. Chen , Thomas L. Magnanti
Video in druga učna gradiva
Oznake: social sciences;education
Innovators from some of the nation’s top tech schools demonstrate their methods for making science and engineering education more engaging, if not fun. At Tufts, Irene Georgakoudi hands out Legos to a freshman class on optics and lasers. While conveying properties of light and principles of laser o ...
Leto: 2006 Vir: videolectures.net
Št. zadetkov: 6
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