Search

https://medium.com/recombee-blog/introduction-to-personalized-search-2b70eb5fa5ae, 

https://www.etsy.com/codeascraft/bringing-personalized-search-to-etsy, 

https://eugeneyan.com/writing/system-design-for-discovery/

https://medium.com/towards-data-science/what-is-learning-to-rank-a-beginners-guide-to-learning-to-rank-methods-23bbb99ef38c

https://medium.com/towards-data-science/how-to-implement-learning-to-rank-model-using-python-569cd9c49b08

https://medium.com/tag/learning-to-rank

https://medium.com/@seosmarty/search-intent-optimization-it-is-not-as-simple-as-it-seems-662c986312d5

https://dtunkelang.medium.com/precision-recall-and-desirability-0384a11d916b