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Changes In Google Rankings And Latent Semantic Indexing (LSI)

For several months I’ve noticed changes in website rankings on Google and it was clear something had changed in their algorithm. The Google change has been a major topic among internet and search engine professionals. Google regularly updates their algorithm and each time they do you can be sure to find a great deal of discussion and speculation over the change.

A quick review of major search engine sites, forums and publications like Search Engine Watch will give you a little insight into what might be happening.

One of the most important changes is the likelihood that Google is now giving more weight to Latent Semantic Indexing (LSI). This should come as no surprise considering Google purchased Applied Semantics in April 2003 and has reportedly been serving up their AdSense ads using latent semantic indexing.

One key benefit to LSI in the field of document retrieval is that you wouldn’t have to search using the exact same key word(s) associated with a document to retrieve it but synonyms would work as well.

If you’re interested in more details check out thelist of LSI sources on Search Engine Watch .

One reply on “Changes In Google Rankings And Latent Semantic Indexing (LSI)”

Latent Semantic Indexing not only can make searches more valid (we hope) but it’s also a great strategy for Google since it will add a new twist to seach engine optimization efforts. This will leave site owners with one easy way to associate their site with a key word… Google Ad Sense!

Pretty sneaky Google!

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