Latent Semantic Indexing—What is it About?

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What is Latent Semantic Indexing (LSI) all about? Latent Semantic Indexing is all about looking patterns of word distribution across a number of documents.

LSI, added to the fact that it records the keywords a document contains, it also scrutinises the whole document to determine if other relevant documents contain some of those other keywords. For instance, when you search an LSI indexed database, the search engine computes similarity values for every word and returns the document that best fits the query. Since two documents might share similar contents without sharing the same keywords, LSI does not necessarily require an exact match in returning or generating good results. The advantage of LSI is that when a plain keyword search fail because of the lack of exact match, LSI will generate relevant and useful results that do not contain the keyword at all.

According to a report, Google, in their continuous effort to deliver the most relevant and genuinely useful information, has introduced LSI in their algorithms.

Google search now has the power of reasoning through Google LSI, which is a one of a kind indexing method that uses the theme of the site in generating more promising results.

Search Engines Utilise Latent Semantic Indexing

To repel the kind of problem “Keyword Indexing” is causing in ranking a website, Algorithms that followed focused more on link profiles than on keyword density. But since focusing on link profiles also caused a rush to seek reciprocal links, search engine spiders were again manipulated. Because spiders were again manipulated, Google, together with Yahoo! and MSN, has made link exchange a part of SEO’s history. These search engines placed less credibility on reciprocal links and instead introduced a revolutionary method, which is the LSI, in an attempt to make their result pages appear filled with natural content.

Effects

It goes without saying that LSI is a revolutionary method in trying to keep things fair and ethical when it comes to Search Engine Optimisation (SEO). Whereas sites that used to enjoy high rankings because of keyword optimization are now finding themselves going down the list, pages that have a diverse portfolio of inbound links from relevant sites are finding themselves benefiting from LSI.

LSI, without a doubt, has changed the field of SEO and given more years, it will surely improve to something that will be more helpful to SEO professionals.

Writing Content for LSI

LSI promotes natural writing and proper wording. Notice that when you write impulsively, you appropriate keywords in a text. And to avoid keyword optimization, you make use of synonyms or other words that have a very close meaning. Other than synonyms, you also make use of plural and singular terms as well as making use of the different tenses.—If this is what you have been doing, then continue doing it because this is what LSI algorithms is all about.

LSI and the Web Searchers

LSI offers its web-users unique advantages in searching for useful pieces of information. For instance, LSI knows that when an SEO professional searches for “search engine optimization” it has to return results related to internet marketing and not on train engine or steam engine. In a nutshell, LSI generates more accurate result while suggesting a wider range of similar pages for a particular topic.

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