Representation quality and the complexity of learning

from blog Will Whitney, | ↗ original
Cross-posted from the CILVR blog. In the last few years, there's been an explosion of work on learning good representations of data. From NLP123 to computer vision456 to reinforcement learning789, the field has never been hotter. However, defining precisely what we mean by a good representation can be tricky. This has led to a somewhat ad-hoc...