What is Latent Semantic Indexing?

[stuartspindlow]

Hello Friends,

Please tell me what is latent semantic indexing.

[RH-Calvin]

Latent Semantic Indexing (LSI) is a system used by Google and other major search engines. The contents of a webpage are crawled by a search engine and the most common words and phrases are collated and identified as the keywords for the page.

[moria]

Latent semantic indexing (LSI) is an indexing and retrieval method that uses a mathematical technique called singular value decomposition (SVD) to identify patterns in the relationships between the terms and concepts contained in an unstructured collection of text.

[StuartSpindlow3]

Latent semantic indexing it is an algorithm used by search engines to determine what a page is about outside of specifically matching search query text.