Why Latent Semantic Indexing may not affect SEO?

Some may claim that Google takes a cue from Latent Semantic Indexing and LSI keywords to understand about the webpage. It is a kind of discussion that has been going on for almost 20 years. Some evidence based fact has been found at the same time.

Latent Semantic Indexing

Latent Semantic Indexing is often recognized as Latent Semantic Analysis. It is generally utilized to analyze documents in order to find out if there are word co-occurrences. In this process, some insight about a topic can be obtained also.
Couple of issues such as Synonymy and Polysemy can be solved with the use of Latent Semantic Indexing. So, what is Synonymy and Polysemy?

Synonymy: Through the process, you may able to know if same thing is described with many words.

Polysemy: On the occasion, phrases and words may have several connotations. Through the word jaguar, the writer can mean automobile, animal or the American Football Team also.
Using the statistics, LSI predicts the meaning of the word with the help of co-occurrences within the document. Looking at the occurrences of words, query is understood by the computer. As a result, better association with the right keyword can be done.
From late 1980s, presence of LSI can be seen. Therefore, it is neither new nor a cutting edge one.
LSI has been using the simple text matching technique. Presence of LSI can be seen even before internet.

LSI may not be practical for web

Some issues can be observed with LSI. Statistical analysis is created through calculation every time. Therefore, requirement of recalculation may be felt as new webpage is introduced or indexed

Is Google using the LSI keyword?

Reliable and authoritative data is utilized for search marketing. There are factual ideas like research paper. Some data is also created based on the opinion of user. On the occasion, it is necessary to understand the difference
John Mueller from Google has debunked the concept of using LSI keyword in a straightforward manner.
Bill Slawski has said that in-depth understanding Google algorithm is the base of LSI. However, Latent Semantic Indexing is not connected with the SEO at all.

Google and Latent Semantic Analysis

Evidence cannot be found in the research or patent that Google has been utilizing Latent Semantic Analysis. However, experts have been looking at the Google algorithm constantly. According to them, Google may have given some importance to LSI in some cases. Still, it is not certain.

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