Deep Learning of Representations: Looking Forward
It outlines incremental research directions for the machine learning community to advance deep learning capabilities.
The paper identifies key challenges in scaling deep learning to larger models and datasets, optimizing algorithms, and disentangling data factors, proposing forward-looking research directions to address these issues.
Deep learning research aims at discovering learning algorithms that discover multiple levels of distributed representations, with higher levels representing more abstract concepts. Although the study of deep learning has already led to impressive theoretical results, learning algorithms and breakthrough experiments, several challenges lie ahead. This paper proposes to examine some of these challenges, centering on the questions of scaling deep learning algorithms to much larger models and datasets, reducing optimization difficulties due to ill-conditioning or local minima, designing more efficient and powerful inference and sampling procedures, and learning to disentangle the factors of variation underlying the observed data. It also proposes a few forward-looking research directions aimed at overcoming these challenges.