10-year-old grading software leverages deep learning algorithms to “compare notes” with human teachers’ scores, suggestions, and comments. An engineer involved in the project compared its capabilities to those of AlphaGo, the record-breaking AI Go player developed by Google subsidiary DeepMind.
https://venturebeat.com/2018/05/28/chinese-schools-are-testing-ai-that-grades-papers-almost-as-well-as-teachers/