Information systems

Thursday, June 25, 2015 - 2:00pm - 3:30pm
Chris Snyder (National Center for Atmospheric Research)
The problem of state estimation has come to be known as data assimilation in many geophysical applications. I will review data assimilation for the atmosphere, especially for numerical weather prediction. A distinguishing characteristic of atmospheric data assimilation is the diversity and extremely large numbers of observations considered and the extremely large dimension of the state vector.
Wednesday, May 9, 2012 - 9:00am - 10:00am
Bamshad Mobasher (DePaul University)
The role of recommender systems as a fundamental utility for electronic commerce and information access is well established with many commercially-available recommender systems providing benefits to both users and businesses. But, recommender systems tend to use simplistic user models that are additive in nature: new user preferences are simply added to the existing profiles.
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