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Apache Solr Search Patterns

You're reading from Apache Solr Search Patterns

Product type Book

Published in Apr 2015

Publisher

ISBN-13 9781783981847

Pages 316 pages

Edition 1st Edition

Languages

Concepts

Enterprise Search

Author (1):

Jayant Kumar

Table of Contents (17) Chapters

Apache Solr Search Patterns

Credits

About the Author

About the Reviewers

www.PacktPub.com

Preface

1. Solr Indexing Internals

2. Customizing the Solr Scoring Algorithm

3. Solr Internals and Custom Queries

4. Solr for Big Data

5. Solr in E-commerce

6. Solr for Spatial Search

7. Using Solr in an Advertising System

8. AJAX Solr

9. SolrCloud

10. Text Tagging with Lucene FST

Index

Chapter 10. Text Tagging with Lucene FST

In the previous chapter, we delved into the setup and working of SolrCloud. We saw the working of distributed indexing and search and how they can be used for handling horizontal scalability and high availability issues in a large-scale Solr deployment. We also discussed the use of SolrCloud as a large-scale NoSQL database.

In this chapter, we will understand what text tagging is and how Lucene and, hence, Solr can be used to implement it in indexing. We will discuss the Finite State Transducer (FST) and the algorithms related to it and learn how it can be integrated with Solr. The topics that we will cover are:

An overview of FST and text tagging
Implementation of FST in Lucene
Text tagging algorithms
Using Solr for text tagging
Implementing a text tagger using Solr

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Authors (1)

Jayant Kumar

Jayant Kumar is an experienced software professional with a bachelor of engineering degree in computer science and more than 14 years of experience in architecting and developing large-scale web applications. Jayant is an expert on search technologies and PHP and has been working with Lucene and Solr for more than 11 years now. He is the key person responsible for introducing Lucene as a search engine on www.naukri.com, the most successful job portal in India. Jayant is also the author of the book Apache Solr PHP Integration, Packt Publishing, which has been very successful. Jayant has played many different important roles throughout his career, including software developer, team leader, project manager, and architect, but his primary focus has been on building scalable solutions on the Web. Currently, he is associated with the digital division of HT Media as the chief architect responsible for the job site www.shine.com. Jayant is an avid blogger and his blog can be visited at http://jayant7k.blogspot.in. His LinkedIn profile is available at http://www.linkedin.com/in/jayantkumar.

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