Latent Semantic Indexing or LSI has changed the world of search engine optimization.LSI is a methodology involving statistical probability and correlation that helps deducing the semantic distance between words.

LSI is a methodology involving statistical probability and correlation that helps deducing the semantic distance between words. It's obviously a complex methodology but can be easily applied to understand the relation between certain words in a paragraph or in a document. This methodology is being used while indexing a page in the search engine's database
Latent Semantic Indexing or LSI has changed the world of search engine optimization.