Latent Semantic Indexing (LSI)

Concept and definition

Latent Semantic Indexing (LSI)

What is Latent Semantic Indexing (LSI)?

Latent Semantic Indexing (LSI) is a technique used in natural language processing (NLP) to analyse and represent the meaning of a text.

LSI uses a mathematical model to identify patterns of similarity between words and documents, creating a vector representation of the text that reflects its semantic content.

This technique is commonly used in search engines and recommender systems to improve the accuracy of results and suggestions, as it can identify subtle semantic relationships between words and documents that are not evident in their literal form.

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