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Practical Apache Lucene 8 Atri Sharma

Practical Apache Lucene 8 By Atri Sharma

Practical Apache Lucene 8 by Atri Sharma


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Practical Apache Lucene 8 Summary

Practical Apache Lucene 8: Uncover the Search Capabilities of Your Application by Atri Sharma

Gain a thorough knowledge of Lucene's capabilities and use it to develop your own search applications. This book explores the Java-based, high-performance text search engine library used to build search capabilities in your applications.

Starting with the basics of Lucene and searching, you will learn about the types of queries used in it and also take a look at scoring models. Applying this basic knowledge, you will develop a hello world app using basic Lucene queries and explore functions like scoring and document level boosting.

Along the way you will also uncover the concepts of partial searching and matching in Lucene and then learn how to integrate geographical information (geospatial data) in Lucene using spatial queries and n-dimensional indexing. This will prepare you to build a location-aware search engine with a representative data set that allows location constraints to be specified during a search. You'll also develop a text classifier using Lucene and Apache Mahout, a popular machine learning framework.

After a detailed review of performance bench-marking and common issues associated with it, you'll learn some of the best practices of tuning the performance of your application. By the end of the book you'll be able to build your first Lucene patch, where you will not only write your patch, but also test it and ensure it adheres to community coding standards.

What You'll Learn

  • Master the basics of Apache Lucene
  • Utilize different query types in Apache Lucene
  • Explore scoring and document level boosting
  • Integrate geospatial data into your application

Who This Book Is For

Developers wanting to learn the finer details of Apache Lucene by developing a series of projects with it.


About Atri Sharma

Atri is a distributed systems engineer with expertise in building and scaling large data oriented systems, and an Apache Lucene/Solr committer. He has worked for Microsoft, where he was responsible for scaling the storage and query engines for Azure CosmosDB. He is also a long time PostgreSQL contributor and an Apache committer and PMC member for HAWQ, MADLib, and Apex.


Table of Contents

Chapter 1: Meeting The Beast -- HoIa Lucene! - 15 pages
This chapter will go over basics of Lucene and search, and give details of basic query structures in Lucene along with the different data structures and types in Lucene which can be diverse in application and usage.
1. What Is Search, Anyway?2. Meet Lucene3. Types of Structures In Lucene4. Query Types -- Done The Lucene Way5. Lucene Vs Relational Databases
Chapter 2: Hello World -- The Lucene Way - 10 pages
This chapter will try out a few basic Lucene queries on a standard data set. User will index some standard data set and query different types of queries on top of it. The user will explore scoring, document level boosting and queries like TopN hits, uses of Collectors.
1. Index Data In Lucene2. Internals of a Lucene Index3. Scoring and Boosting4. Doing your first query5. TopN Hits -- Why Should I Care About the 100th Hit?6. Collectors -- The Life Of Your Application
Chapter 3: Build A Personal Desktop File Searcher - 40 pages
This chapter will go over details of building a file searcher using Lucene which will have the capability to search across the entire file system of the user's computer and provide search results to the user for relevant documents and files given a partial or complete keyword.
1. Basics of Document Searching with Lucene2. Partial Searches and Matching3. A Bit About TF/IDF4. Build The Core of Our Searcher5. Building the File System Seek and Search Functionality6. Bringing It All Together
Chapter 4: A Bit About Spatial Indexing - 20 pages
Basics of Spatial Indexing and space vectors. The chapter will cover spatial indexing and querying in Lucene and advanced level details of N dimensional indexing and searching.
1. Spatial Indexing2. Lucene's Spatial Indexing Basics3. When To Use Spatial Indexing?4. N Dimensional Indexing5. Lucene Spatial Query Types
Chapter 5: Developing A Location Aware Search Engine - 40 pages
This chapter will go over details of building a location aware search engine with representative data set and allowing location constraints to be specified during a search.
1. What is Location Aware Searching?2. Representing Data As Spatial Data3. Metadata Searches4. Combining Searches -- Actual Text and Location Combined
Chapter 6: Create a Text Classifier with Apache Mahout and Lucene - 30 pages
This chapter will go over building a classifier using Apache Mahout, a popular Machine Learning framework and Lucene.
1. What is Mahout?2. What is a Text Classifier Engine?3. Building The Model in Mahout4. Building the Parser in Lucene5. Bringing It All Together
Chapter 7: Performance Tuning Your Lucene Applications - 15 pages
Performance is key to any search applications and small changes to the application can cause amplified changes to the performance of the application. We will performance benchmark applications, learn common pitfalls and learn best practices to tune performance in search applications with Lucene.
1. Lucene Performance Basics2. Performance Bench-marking3. Lucene Performance Tuning4. Lucene Performance with System Performance Tools
Chapter 8: Your First Lucene Patch - 15 pages
This chapter will focus on building your first patch to the heart of the engine itself. We will go through the cycle of writing a patch, testing it, adhering to community code standards, JIRA navigation, community interaction etc.

1. Lucene Internals2. Working with Git3. Writing a Patch4. Test Test Test!5. Opening a JIRA for your issue6. Community Interaction

Additional information

GOR013062635
9781484263440
1484263448
Practical Apache Lucene 8: Uncover the Search Capabilities of Your Application by Atri Sharma
Used - Well Read
Paperback
APress
2020-11-01
103
N/A
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book. We do our best to provide good quality books for you to read, but there is no escaping the fact that it has been owned and read by someone else previously. Therefore it will show signs of wear and may be an ex library book

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