Download e-book for iPad: Apache Solr for beginner’s by Alfredo Serafini

By Alfredo Serafini

Where do you begin with Apache Soir? we might recommend with this booklet, which assumes no earlier wisdom and takes you step by way of cautious step via all of the necessities, placing you at the highway in the direction of winning implementation.

Overview

  • Learn to exploit Solr in real-world contexts, whether you're not a programmer, utilizing uncomplicated configuration examples
  • Define basic configurations for looking out info in different methods on your particular context, from feedback to complicated faceted navigation
  • Teaches you in an easy-to-follow sort, packed with examples, illustrations, and easy methods to swimsuit the calls for of beginners

In Detail

With over forty billion web content, the significance of optimizing a seek engine's functionality is essential.

Solr is an open resource company seek platform from the Apache Lucene venture. Full-text seek, faceted seek, hit highlighting, dynamic clustering, database integration, and wealthy rfile dealing with are only a few of its many gains. Solr is very scalable due to its dispensed seek and index replication.

Solr is written in Java and runs as a standalone full-text seek server inside a servlet box resembling Apache Tomcat or Jetty. Solr makes use of the Lucene Java seek library at its center for full-text indexing and seek, and has REST-like HTTP/XML and JSON APIs that make it usable with most well-liked programming languages. Solr's strong exterior configuration permits it to be adapted to many varieties of software with out Java coding, and it has a plugin structure to help extra complicated customization.

With "Apache Solr Beginner's advisor" you are going to tips on how to configure your individual seek engine event. utilizing actual facts for example, you have the opportunity to begin writing step by step, uncomplicated, real-world configurations and comprehend whilst and the place to undertake this technology.

"Apache Solr Beginner's advisor" will commence by means of letting you discover an easy seek over genuine info. you are going to then plow through a step by step description that provides you the opportunity to discover numerous useful gains. on the finish of the ebook you can see how Solr is utilized in diverse real-world contexts.

Using information from public domain names like DBpedia, you'll outline a number of diversified configurations, exploring essentially the most fascinating Solr beneficial properties, akin to faceted seek and navigation, auto-suggestion, and wealthy rfile indexing. one can find the right way to configure diverse analysers for dealing with diversified info forms, with no programming.

You will research the fundamentals of Solr, targeting real-world examples and sensible configurations.

What you'll research from this book

  • Understand what's full-text seek and a faceted navigation are and while to take advantage of them
  • Install and use Solr for testing
  • Write your personal configurations for the Solr index incrementally and try out them with the Solr net UI
  • Learn the best way to attempt a Solr operating example utilizing cURL with diverse codecs, like XML, JSON, and so on
  • Construe your facts and outline the entities to be listed in Solr
  • Examine textual content and make auto-suggestions
  • Index facts utilizing a variety of codecs and numerous info assets, and how you can divulge info in a number of formats
  • Start utilizing Solr in contexts like Open information and associated Data
  • Use Solr for increasing your facts with assets from public, famous wisdom bases

Approach

Written in a pleasant, example-driven structure, the ebook contains lots of step by step directions and examples which are designed that can assist you start with Apache Solr.

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Extra info for Apache Solr for beginner’s

Example text

Introducing Customizations Looking at the Solr customizations Adding some more details to the core discovery Playing with specific languages Time for action – detecting language with Tika and LangDetect What just happened? Introducing stemming for query expansion Time for action – adopting a stemmer What just happened? Testing language analysis with JUnit and Scala Writing new Solr plugins Introducing Solr plugin structure and lifecycle Implementing interfaces for obtaining information Following an example plugin lifecycle Time for action – writing a new ResponseWriter plugin with the Thymeleaf library What just happened?

Taking a glance at the Solr interface Now that the server is running, we are curious about how the Solr web application will look in our browser, so let's copy and paste this URL into the browser: http://localhost:8983/solr/#/. We will obtain the default home screen for the Solr web application, as shown in the following screenshot: Note that since the default installation does not provide automatic redirection from the base root to the path seen before, a very common error is pointing to http://localhost:8983/ and obtaining the error shown in the following screenshot: We can easily ignore this error for our purposes; so remember to check if you are using the correct address when you obtain this type of error.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: December 2013 Production Reference: 1181213 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. com>) Credits Author Alfredo Serafini Reviewers John Fiala Jeevanandam M. Greg Rundlett Param Sethi Acquisition Editor Sam Birch Andrew Duckworth Lead Technical Editor Balaji Naidu Copy Editors Roshni Banerjee Janbal Dharmaraj Dipti Kapadia Kirti Pai Alfida Paiva Laxmi Subramanian Technical Editors Krishnaveni Haridas Aman Preet Singh Project Coordinator Suraj Bist Proofreaders Lawrence A.

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