Books:
Lucene in Action http://manning.com/books/lucene-in-action Solr in Action https://www.manning.com/books/solr-in-action Relevant Search http://manning.com/books/relevant-search (disclaimer, my book) Elasticsearch Definitive Guide (free/online) https://www.elastic.co/guide/en/elasticsearch/guide/current/... Introduction to Info. Retrieval https://nlp.stanford.edu/IR-book/information-retrieval-book.... Deep Learning for Search http://manning.com/books/deep-learning-for-search
Training:
Lucidworks Training https://lucidworks.com/resources/solr-training-and-consultin... Elastic's training https://training.elastic.co/ OpenSource Connection's training (disclaimer, my company's training) http://o19s.com/events/training
Conferences:
Haystack http://haystackconf.com (disclaimer I'm a co-organizer) Activate http://activate.conf SIGIR http://sigir.org ECIR http://ecir2019.org/ Search Solutions https://irsg.bcs.org/SearchSolutions/2018/ss2018tutorials.ph... Berlin Buzzwords https://berlinbuzzwords.de/ MICES E-Commerce Search - http://mices.co
Blogs:
OpenSource Connections blog - http://o19s.com/blog (disclaimer - my companys blog) Lucidworks Blog - https://lucidworks.com/blog/ Sematext Blog - https://sematext.com/blog/ Elastic's blog http://elastic.co/blog