https://databricks.com/blog/2015/04/13/deep-dive-into-spark-sqls-catalyst-optimizer.html

https://skerritt.blog/dynamic-programming/

http://www.righto.com/2019/07/software-woven-into-wire-core-rope-and.html

https://boingboing.net/2019/08/03/zero-value-added.html

https://towardsdatascience.com/audio-ai-isolating-instruments-from-stereo-music-using-convolutional-neural-networks-584ababf69de

https://heartbeat.fritz.ai/a-2019-guide-to-semantic-segmentation-ca8242f5a7fc

https://opensource.com/article/19/7/how-make-old-computer-useful-again