Information Retrieval: Implementing and Evaluating Search Engines
Stefan Buttcher & Charles L. A. Clarke & Gordon V. Cormack
C++ Primer Plus
Stephen Prata
Non-Convex Optimization for Machine Learning
Prateek Jain & Purushottam Kar
Recommender Systems: The Textbook
Charu C. Aggarwal
Electromagnetic Wave Theory
Jin Au Kong