• [IR] Schütze, Hinrich, Christopher D. Manning, and Prabhakar Raghavan. Introduction to information retrieval. Vol. 39. Cambridge: Cambridge University Press, 2008.
• [SE] Croft, W. Bruce, Donald Metzler, and Trevor Strohman. Search engines: Information retrieval in practice. Vol. 520. Reading: Addison-Wesley, 2010.
• Grossman, David A., and Ophir Frieder. Information retrieval: Algorithms and heuristics. Vol. 15. Springer Science & Business Media, 2012.
• Baeza-Yates, Ricardo, and Berthier Ribeiro-Neto. Modern information retrieval. Vol. 463. New York: ACM press, 1999.

• ACM SIGIR (Information Retrieval) 2021
• WSDM (Web Search and Data Mining) 2021
• CIKM (Conference on Information and Knowledge Management) 2020

• Python Beginners Guide for Programmers
• Learn Python 3 The Hard Way
• Scrapy -- Python crawler
• NLTK
• spaCy

• Elasticsearch
• Apache Solr
• Apache Lucene
• Terrier
• Galago (Lemur project)

• [YT lecture] Entropy
• [YT lecture] Mutual Information
• [YT lecture] Information Complexity