Latent Semantic Indexing - What Exactly Is It? by Alden Smith

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Latent Semantic Indexing - What Exactly Is It?
by Alden Smith

In my work as an author, I have become very interested lately in Latent Semantic Indexing, or LSI. The big to-do about Google's latest damage to websites and rankings has prompted me to take a look at what they are doing. Anyone with any expectations for their articles and web copy knows that Google's ranking algorithms change constantly, and this causes a great deal of frustration and concern, especially to those attempting to make a living on the internet.

LSI is simply a system, based on the vector space model of document classification, that brings relevancy to an article. One of the biggest advantages of LSI is that it is a strictly mathematical approach, with no insight into the meaning of the documents or of the words it analyzes. Because of the scope of this article, I will leave that to your personal research.

For the layman, relevancy is simple to explain. Let us say you have a website on dog training. Utilizing the common way of thinking towards keyword density, your copy might go like this:

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Posted on: October 5,2006

Email: aldens@myarticleannouncer.com
Website: http://www.for-the-record.biz