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ElasticSearch Cookbook

You're reading from   ElasticSearch Cookbook As a user of ElasticSearch in your web applications you'll already know what a powerful technology it is, and with this book you can take it to new heights with a whole range of enhanced solutions from plugins to scripting.

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Product type Paperback
Published in Dec 2013
Publisher Packt
ISBN-13 9781782166627
Length 422 pages
Edition 1st Edition
Languages
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Author (1):
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Alberto Paro Alberto Paro
Author Profile Icon Alberto Paro
Alberto Paro
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Toc

Table of Contents (14) Chapters Close

Preface 1. Getting Started FREE CHAPTER 2. Downloading and Setting Up ElasticSearch 3. Managing Mapping 4. Standard Operations 5. Search, Queries, and Filters 6. Facets 7. Scripting 8. Rivers 9. Cluster and Nodes Monitoring 10. Java Integration 11. Python Integration 12. Plugin Development Index

Introduction

In developing search solutions not only results are important, but also helpers to improve the quality and the search focus.

ElasticSearch provides a powerful tool to achieve these goals: the facets.

Facets are used not only to improve results, but also to provide additional information on queries, such as counting, folksonomy, histogram, and extra data. Generally, the facets are represented with graphs or a group of filtering options (for example, a list of categories for the search results).

Because all of them provide some scripting functionalities, they are able to cover a wide spectrum of scenarios. In this chapter, some simple scripting functionalities are shown related to facets, but we will cover in-depth scripting in the next chapter.

Facet is also the base for advanced analytics as shown in the software Kibana (http://www.elasticsearch.org/overview/kibana/) or similar. It's very important to understand how the various types of facets work and when to choose them...

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