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Old 11-24-2010, 07:33 AM
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Tiggerito Tiggerito is offline
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Debunking Latent Semantic Indexing As Part of Google's Algorithm

Moved by moderator from SEO Tips post, http://www.v7n.com/forums/seo-forum/...ml#post1537226, to allow member discussion.

Originally Posted by mjtaylor View Post
If you’ve been under the impression that “Latent Semtanic Indexing" -- commonly called LSI -- is a part of search engine algorithms, you might want to watch this video. Leslie Rhode explains how LSI works in very clear, simple and graphic terms, and then shows you how to test search queries in Google to see if LSI is at work. For example, LSI should return documents that are similar for plurals and singulars. Rohde concludes that Google is not using LSI and explains some of the limitations of the theory. Rohde goes on to contrast LSI – or what he things is really a “Lame Search Idea” -- with the more elegant system Google has developed.

Watch the video here: http://www.stompernet.com/blog/warni...does-not-work/
Good video,

I did not realised that LSI is more of a "formula" to help computers understand semantics. I thought it was more of a a concept.

I do thing that semantics will become more and more relevant to search engine algorithms. LSI or not, we as searchers want to see results that answer our questions, and a search engine that best understands the meaning (semantic) behind the question will provide the best answers.

It will take time, I think all the search engines are showing some aspects of semantic understanding.

Another side to it is the move to semantic markup like RDFa, where we as the website owners tell the search engines through tags what is the meaning of certain bits of the website.

Last edited by mjtaylor; 11-24-2010 at 11:28 AM. Reason: add context
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