Education
Sequential Voting Promotes Collective Discovery in Social Recommendation Systems
Celis, L. Elisa (École Polytechnique Fédéreal de Lausanne) | Krafft, Peter M. (Massachusetts Institute of Technology) | Kobe, Nathan (École Polytechnique Fédéreal de Lausanne)
One goal of online social recommendation systems is to harness the wisdom of crowds in order to identify high quality content. Yet the sequential voting mechanisms that are commonly used by these systems are at odds with existing theoretical and empirical literature on optimal aggregation. This literature suggests that sequential voting will promote herding---the tendency for individuals to copy the decisions of others around them---and hence lead to suboptimal content recommendation. Is there a problem with our practice, or a problem with our theory? Previous attempts at answering this question have been limited by a lack of objective measurements of content quality. Quality is typically defined endogenously as the popularity of content in absence of social influence. The flaw of this metric is its presupposition that the preferences of the crowd are aligned with underlying quality. Domains in which content quality can be defined exogenously and measured objectively are thus needed in order to better assess the design choices of social recommendation systems. In this work, we look to the domain of education, where content quality can be measured via how well students are able to learn from the material presented to them. Through a behavioral experiment involving a simulated massive open online course (MOOC) run on Amazon Mechanical Turk, we show that sequential voting systems can surface better content than systems that elicit independent votes.
15 Student Run Startups Pitch at the 10th Longhorn Startup Lab Demo Day - SiliconHills
"Dry cleaning is really inconvenient," Norton said. "As we looked at this space we recognized the entire industry is outdated. We figured there had to be a better way to do it." So his team built an app and they created Press, what they call "the Uber of laundry and dry cleaning." Press is one of 15 startups that pitched Thursday night at Longhorn Startup Lab Demo Day at the Lady Bird Johnson Auditorium at UT.
Lead Researcher - Machine Learning and Data Mining
We are a company of individuals with hopes, plans and passions, all using and developing our talents for good, at work and in life. Employees can be a force for good only when they are working at the top of their ability, learning new skills and challenging themselves with new responsibilities. Allstate's Enterprise Talent Market was developed with that in mind, to help you reach your full potential. Allstate is looking to hire researchers to join our Innovation team at our downtown Chicago and Menlo Park(SF Bay area) locations. Our team works on a diverse set of data and systems including GPS probe, Accident data, LiDAR and high-resolution imagery to create driver safety solutions and helps build next-generation road risk assessing platforms for ADAS, and self- driving vehicles.
Machine Learning - Android Apps on Google Play
Write on topics related to machine learning Learn from the contributions by others. The app brings 15 subjects, 90 units, 1200 topics on Machine learning, computer science and related courses. The the app includes subjects related to machine learning such as Artificial Intelligence, Algorithms, Mathematics, Automata, Graph theory and more.
Graphing Hypothesis with uni variate linear regression • /r/MachineLearning
Hello, I've been following the machine learning videos on coursera with Andrew ng as the instructor. I don't know any math beyond a high school level so this is a bit tricky. I didn't understand how he was graphing this and what the H theta (x) meant when it came to graphing. I've searched on the internet a lot and couldn't find a video explaining what this means at all. If anyone would like to point me in the right direction that would be greatly appreciated.
Not lost in translation: Researchers 'teach' computers to translate accurately
Online translators are getting better, but there's still room for improvement. Researchers are now contributing new artificial intelligence techniques that could help accurately build full sentences. Algorithms developed by researchers at the University of Liverpool give computers a human-like touch while translating words and languages. They believe their methods are key to improving accuracy. Using the algorithms, a computer will be able to translate a word from an unknown language, and then provide context to it.
"Sesame Street" IBM Watson Personalized Learning
You may remember how, back in 2011, IBM's supercomputer Watson competed against the world's best "Jeopardy" champions and won. Fast-forward a few years and cognitive computing and machine learning have become the latest tech buzzwords that promise to revolutionize industries such as healthcare by providing real-time, actionable insights and much more. Entire markets, including banking and finance, law, and auditing and accounting, to name a few, are also facing disruption as well as opportunities with ongoing advancements in cognitive technology. The power of IBM Watson is finally being realized now that it can understand, reason and learn from the wealth of big data that most businesses are struggling to make sense of. Early childhood education appears to be next on the agenda.
CS 229: Machine Learning (Course handouts)
Advice on applying machine learning: Slides from Andrew's lecture on getting machine learning algorithms to work in practice can be found here. Previous projects: A list of last year's final projects can be found here. Matlab resources: Here are a couple of Matlab tutorials that you might find helpful: http://www.math.ucsd.edu/ For emacs users only: If you plan to run Matlab in emacs, here are matlab.el, The official documentation is available here.