Latent Semantic Indexing and Natural language search: bye bye keywords

[mandy]

The big brains out there are asking: "Why do we need keywords at all?" If we used what the linguists call "natural language," we'd ask a question in simple (or even complex) terms, and not have to get obsessive about guessing the right code. Search engines would "get it," even though you didn't guess how an SEO genius might have guessed what you would probably type when you were looking for, let's say, preventable childhood diseases.

That's the thinking behind Latent Semantic Indexing (LSI). LSI is a statistical method of comparing the relationships between words and passages of text in order to evaluate the quality of the content. It's a way to arrive at context and meaning, without a one-to-one match...

full article: http://imediaconnection.com/content/16520.asp