Several applications necessitate learning a very large number of parameters from small amounts of data, which can lead to overfitting, statistically unreliable answers, and large training/prediction costs.  A common and effective method to avoid the above mentioned issues is to restrict the parameter-space using specific structural constraints such as sparsity or low rank. However, such simple constraints do not fully exploit the richer structure which is available in several applications and is present in the form of correlations, side information or higher order structure. Designing new structural constraints requires close collaboration between domain experts and machine learning practitioners. Similarly, developing efficient and principled algorithms to learn with such constraints requires further collaborations between experts in diverse areas such as statistics, optimization, approximation algorithms etc. This interplay has given rise to a vibrant research area.

The main objective of this workshop is to consolidate current ideas from diverse areas such as machine learning, signal processing, theoretical computer science, optimization and statistics, clarify the frontiers in this area, discuss important applications and open problems, and foster new collaborations.

Key Dates

October 7, 2016 Extended abstracts due 
October 24, 2016 Notification of acceptance for presentations of contributed talks and posters 
November 22, 2016 Final papers due 
December 9, 2016 Workshop 
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