Most respectable SEO companies understand the realities of LSI, but I still see company after company discussing LSI like they can control it and that it is a part of SEO. If you are unsure of what LSI is or if you offer it as a service I HIGHLY recommend that you read Dr. Edel Garcia’s web sites!

• irthoughts.wordpress.com
• www.miislita.com

Here is an article I wrote last June referencing some of the top SEO experts in the country- Bill Slawski, Rand Fishkin and Lee Odden. Misconceptions & Misunderstandings of the LSI Algorithm

Here are some of Dr. Edel Garcia’s tutorials:

SVD and LSI Tutorial 5: LSI Keyword Research and Co-Occurrence Theory
SVD and LSI Tutorial 4: Latent Semantic Indexing (LSI) How-to Calculations
SVD and LSI Tutorial 3: Computing the Full SVD of a Matrix
SVD and LSI Tutorial 2: Computing Singular Values SVD and LSI Tutorial 1: Understanding SVD and LSI
LSI Keyword Research - A Fast Track TutorialLatent Semantic Indexing (LSI) Fast Track Tutorial
Singular Value Decomposition (SVD) Fast Track Tutorial

 Melissa- SEOAware.com