Singular Value Decomposition - SEO Search engine optimization

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Singular Value Decomposition SEO Search engine optimization

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Singular Value Decomposition

The process of breaking down a large database to find the document vector (relevance) for various items by comparing them to other items and documents.

Important steps:


Stemming: taking in account for various forms of a word on a page

Local Weighting: increasing the relevance of a given document based on the frequency a term appears in the document

Global Weighting: increasing the relevance of terms which appear in a small number of pages as they are more likely to be on topic than words that appear in most all documents.

Normalization: penalizing long copy and rewarding short copy to allow them fair distribution in results. a good way of looking at this is like standardizing things to a scale of 100.



Multi dimensional scaling is more efficient than singular value decomposition because it requires exceptionally less computation. When combined with other ranking factors only a rough approximation of relevance is necessary.








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