1. 20 Newsgroups Data Set. http://qwone.com/~jason/20Newsgroups/
2. Accelerate machine learning with active learning. https://becominghuman.ai/accelerate-machine-learning-with-active-learning-96cea4b72fdb
3. Fashion MNIST Data Set. https://github.com/zalandoresearch/fashion-mnist
4. LeNet-5 in 9 lines of code using Keras. https://medium.com/@mgazar/lenet-5-in-9-lines-of-code-using-keras-ac99294c8086
5. LIBSVM – A Library for Support Vector Machines. https://www.csie.ntu.edu.tw/~cjlin/libsvm/