Latent Semantic Indexing (LSI)

Websites which appear on the top of the search result, usually receive the most visitors, so there is a higher profitability of sale to the website.

Latent Semantic Indexing (LSI) is the word used in that environment based on the principles usually has a similar meaning. If you find an LSI - indexed databases, search engines look at the value of the content are calculated for each word, and returns document, considers the most appropriate investigation. Since the two documents can be semantically very close, even if they disagree with certain keywords, LSI is not necessary an exact match to return useful results. If a simple keyword search will fail and there is no exact match, LSI will often return relevant documents do not contain all of the keywords.

Currently, the Google Trends favorable towards the topic, instead of keywords to build websites. Semantic indexing or LSI, this process is called search engine optimization in the forefront, and in the near future. Want to optimize your site Google will be more profitable, not so much on the reasons for LSI elusive success is claimed by the various methods for finding the secret master of the sale. High quality website and will probably always be the long-term success of the Internet the best choice.
In Simple words, LSI is search engine algorithm on basis of LSI technique, Google Shows results when user e enters search query.

You can use the Google search engine to search for the LSI! Don’t  be shocked, am Damn serious J
Enter the phrase or term in the search box of Google with ~ . Example: Your phrase or term or keyword is a laptop ... You will enter ~Laptop in the Google search box and you can find LSI terms.

Remember very common question that can be asked in interviews!