Apache Solr: A Practical Approach to Enterprise Search is for readers who want to build an enterprise search engine using Apache Solr. You will learn to do just that, as well as understand the concepts and internals of the technology and tune the results for your client's search needs. The book explains each essential concept - backed by practical and industry examples - to help you attain expert-level knowledge.§§The book, which assumes a basic knowledge of Java, starts with an introduction to Solr, followed by steps to setting it up, indexing your first set of documents, and searching it. It then covers the end-to-end process of data ingestion from varied sources, pre-processing the data, transformation and enrichment of data, building the processing pipeline, query parsing, and scoring the document. It also teaches how to make your system intelligent and able to learn by itself through feedback loops.§§After covering out-of-the-box features, Solr expert Dikshant Shahi dives into ways you can customize Solr for your business and its specific requirements, along with ways to plug in your own components. As you'll learn, the concept of information retrieval is core to developing a search engine and understanding it is a must for building awesome search engine, hence we have a chapter dedicated to it.§§Most important, you will learn to handle user query and retrieve meaningful results. It explains how each user query is different and how to address them differently to get the best result. And because document ranking doesn't work the same for all applications, the book shows how to tune Solr for the application at hand and re-rank the results.§§Solr is versatile. Shahi shows how to use it as a NoSql data store, as an analytics engine, to provide suggestions for users, and to generate recommendations.He also explains integration of Solr with important related technologies like OpenNLP, Apache Tika, Apache Zookeeeper, among others, to take your search capabilities to the next level.§§This book concludes with case studies and industry examples, the knowledge of which will be helpful in designing components and putting the bits together.§§By the end of Foundation of Apache Solr , you will be proficient in designing, architecting, and developing your search engine and integrate it with other systems.§
