Tutorials > Building a search engine using Elasticsearch or Opensearch

Building a search engine using Elasticsearch or Opensearch

Date: 15 September 2025 | Posted by: voska89

Free Download Building a search engine using Elasticsearch or Opensearch
Published 9/2025
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 5h 16m | Size: 4.55 GB
Become a search engine expert by acquiring both the theoretical and practical knowledge require to build one

What you'll learn
Understand how a search engine works
Understand how scoring works
Implement basic end-to-end full text search with Elasticsearch/Opensearch
Implement different forms of querying
Implement facetting
Implement auto-completion
Index data into Elasticsearch/Opensearch including using bulk API
Writing a focused crawler/scrapper to populate your search index
Requirements
Minimal programming capabilities
Understanding of data, data structures and querying
Minimal Java knowledge
Minimal frontend knowledge (html, css, jаvascript)
Description
With this course you will gain an in depth understanding of how a search engine works and how to implement it using Elasticsearch (or it's fork: OpenSearch). Not only will you learn the theory behind search and analytics, but we will also go through, step by step, how to concretely implement these concepts in ElasticSearch.We will explore many topics around search and you will learn to setup your own search engine with advanced capabilities such as full text search, live auto-completion, content recommendation, geo-spatial data querying.From a practical perspective we will:properly setting up our analyzersimplement different forms of data extraction and indexing into Elasticexplore Elastic's numerous querying capabilities, including full text searchexplore Elastic's numerous analytics capabilities, in particular aggregationbuild a faceted search engine in Javaexplore Geo-Spatial queryingsee how to properly configure our search engine for scalabilityAfter this course, these topics will no longer be mysterious and you'll have the fundamental understanding allowing you to efficiently implement them. Furthermore, have this understanding will open the door to the world's not only of search, but also high volume data analytics, and artificial intelligence, as they share common mathematical backgrounds.This course is not just about learning a technology, Elasticsearch, but also about building a strong background to use it properly.
Who this course is for
Software developers in general even if this courses targets Java
Learners looking to go into depth in their understanding of search engines
Learners looking to mix knowledge and hands-on
Homepage

https://www.udemy.com/course/building-a-search-engine-using-elasticsearch-or-opensearch/

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