From Human to Computer, or Discovering the Meaning of a Text with ElasticSearch
summary
Explains how to extract and understand the meaning of text using Elasticsearch. Covers the practical use of Elasticsearch's text analysis features (tokenization, analyzers, possibly scoring and search queries) to move from human language to computer-understandable representations for indexing and retrieval.
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chapters (10)
- 0:00Introduction
- 5:46ElasticSearch principle
- 8:15Score mathematical function
- 12:53Term Frequency calculation
- 15:20Inverse Document Frequency calculation
- 20:11Coordination Factor
- 23:04Text preprocessing
- 28:03ElasticSearch analyzers
- 35:12Advanced token filters
- 40:10Summary
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