根据用户提供的关键字，为其推荐相关的文献或博客。
关键字：“机器学习”，“深度学习”。
以下是几篇关于机器学习和深度学习的经典文献或博客推荐：

1. “A Few Useful Things to Know About Machine Learning” by Pedro Domingos
2. “Deep Learning” by Yoshua Bengio, Ian Goodfellow, and Aaron Courville
3. “Understanding Convolutional Neural Networks for NLP” by Denny Britz
4. “Dropout: A Simple Way to Prevent Neural Networks from Overfitting” by Nitish Srivastava, Geoffrey Hinton, Alex Krizhevsky, Ilya Sutskever, and Ruslan Salakhutdinov
5. “CS231n: Convolutional Neural Networks for Visual Recognition” by Fei-Fei Li, Justin Johnson, and Serena Yeung

这些文章可以帮助您更深入地了解机器学习和深度学习的基础知识和最新进展。