SummaryRelevant Searchdemystifies relevance work. Using Elasticsearch, it teaches you how to return engaging search results to your users, helping you understand and leverage the internals of Lucene-based search engines.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyUsers are accustomed to and expect instant, relevant search results. To achieve this, you must master the search engine. Yet for many developers, relevance ranking is mysterious or confusing.About the BookRelevant Searchdemystifies the subject and shows you that a search engine is a programmable relevance framework. You'll learn how to apply Elasticsearch or Solr to your business's unique ranking problems. The book demonstrates how to program relevance and how to incorporate secondary data sources, taxonomies, text analytics, and personalization. In practice, a relevance framework requires softer skills as well, such as collaborating with stakeholders to discover the right relevance requirements for your business. By the end, you'll be able to achieve a virtuous cycle of provable, measurable relevance improvements over a search product's lifetime.What's InsideTechniques for debugging relevance?Applying search engine features to real problems?Using the user interface to guide searchers?A systematic approach to relevance?A business culture focused on improving searchAbout the ReaderFor developers trying to build smarter search with Elasticsearch or Solr.About the AuthorsDoug Turnbullis lead relevance consultant at OpenSource Connections, where he frequently speaks and blogs.John Berrymanis a data engineer at Eventbrite, where he specializes in recommendations and search.Foreword author,Trey Grainger, is a director of engineering at CareerBuilder and author ofSolr in Action.Table of ContentsThe search relevance problemSearch under the hoodDebugging your first relevance problemTaming tokensBasic multifield searchTerm-centric searchShaping the relevance functionProviding relevance feedbackDesigning a relevance-focused search applicationThe relevance-centered enterpriseSemantic and personalized search