Latent semantic indexing is new technique used by top search engines.Now internet is the great source of information.We enter keyword and search engine looking for articles and websites which contains that specific keyword..In fact,that specific keyword an produce millions results.Some words enclosed in quotations marks for search engine to see it as whole put some times certain topics which can't appear because of lack of keyword so goggle give a better way of getting good search in search engine by Latent Semantic Indexing.
LSI is collection of related keywords or information from your website content.During search, Search engine takes keyword as whole entity instead of separate entity.
