Mastering Elasticsearch 5.x - Third Edition

by Dixit, Bharvi

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Title Statements

Full title :Mastering Elasticsearch 5.x - Third Edition.

Summary

Annotation

Edition Statements

Publication Date:2017.
Edition:3rd ed

Publication Statements

Publisher(s):Packt Publishing
Place of Publication:Birmingham
Language:eng
Publication Date:2017.

Notes

Controlling scores using the function score query.

The Physical Object

Description:1 online resource (423 pages)

Edition Identifiers

ISBN:9781786468871, 1786468875, 9781786460189, 1786460181
oclc:ocn991543225
LC Classification:TK5105.884.D595 2017
Dewey Decimal:[E]

Cover; Copyright; Credits; About the Author; Acknowledgements; About the Reviewer; www.PacktPub.com; Customer Feedback; Table of Contents; Preface; Chapter 1: Revisiting Elasticsearch and the Changes; An overview of Lucene; Getting deeper into the Lucene index; Inverted index; Segments; Norms; Term vectors; Posting formats; Doc values; Document analysis; Basics of the Lucene query language; Querying fields; Term modifiers; Handling special characters; An overview of Elasticsearch; The key concepts; Working of Elasticsearch; Introducing Elasticsearch 5.x.

Introducing new features in ElasticsearchNew features in Elasticsearch 5.x; New features in Elasticsearch 2.x; The changes in Elasticsearch; Changes between 1.x to 2.x; Mapping changes; Query and filter changes; Security, reliability, and networking changes; Monitoring parameter changes; Changes between 2.x to 5.x; Mapping changes; No more string fields; Floats are default; Changes in numeric fields; Changes in geo_point fields; Some more changes; Summary; Chapter 2: The Improved Query DSL; The changed default text scoring in Lucene -- BM25; Precision versus recall; Recalling TF-IDF.

Introducing BM25 scoringBM25 scoring formula;…

Subjects

COMPUTERS -- Data Processing COMPUTERS -- Databases Data Mining Exploration de données (Informatique) Moteurs de recherche -- Programmation Moteurs de recherche sur Internet Search engines -- Programming Web search engines