Latent semantic indexing is an indexing and retrieval method that uses a mathematical technique and Large Scale Integration.

yep.. i agree with @carcin0genic above. It's like varying your keys..

For example:

Carpet - Rugs,

cellphone - mobile phone

and etc.

LSI is stands for Latent Semantic Indexing. LSI is used in internet marketing which enables search engines to look not only for keywords but also for words which are close in meaning to keywords and phrases or synonyms.

I found this article a little while ago- might help you...

What are LSI keywords and Tools to Find LSI keywords | TechzaneTechzane

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Latent semantic indexing keywords (or LSI keywords) are SEO terms. LSI keywords are relevant or similar keyword to another keyword .
LSI looks for synonyms related to the title of your page. For example, if the title of your page was “Classic Cars”, the search engine would expect to find words
relating to that subject in the content of the page i.e. Bentley”, “Austin” and car auctions.

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Latent Semantic Indexing (LSI) is a mathematical method used to determine the relationship between terms and concepts in content. 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

I don't know what is it but I know abbreviation "Latent semantic indexing"

This mean "Latent semantic indexing". I think It's work for SEO ranking.. Better you google for it.. There is so many blog

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Latent Semantic Indexing is extremely helpful to keep up with the keyword density also to be protected from keyword stuffing. Thanks

The main point of LSI is, the more unique content you have the more likely you are to use words that are related to your search terms. Google will pick up on this and you have a higher chance of ranking for LSI keywords which might be less competition.

One of the fist major lessons I learned about IM is the terminology seems designed to be intimidating. Not sure why that is but LSI is one example. Most marketers have heard of it - few know what it is. Even the definitions of it are a bit technical sounding.

LSI is one of the most common sense functions google has come up with...it allows you to write for readers rather than repeated keywords for search engines.

Simplest example: If you are writing about something related to "dog", you can use the words pooch, pup, canine and even man's best friend...and you're still on target for keywords in google's view.

IN a more disciplined application, LSI allows you to choose primary, second, tertiary keywords and still keep your article on target. I've written for extremely organized and successful site owners who used that detailed method for every article that appeared on their sites.

Google doesn't work in India. It's true, Google it.