Invaluable knowledge to help you tame relevant search and harness the power of modern search engines.

Users are accustomed to receiving relevant results almost instantly from search applications. To create such applications, you must master search engines. However, for many developers, the topic of relevance ranking remains almost mystical.

This book demystifies the topic and demonstrates that the search engine is just a programmable engine. Using Elasticsearch and Solr as an example, you'll learn how to express your business ranking rules using this engine. You will learn how to program relevance, how to connect secondary data sources, classifiers, organize text analysis and provide search personalization.