How to get the shipping method code by the rate_id in the Magneto

How to get the shipping method code by the rate_id in the Magneto

References

Reference NO 1

http://stackoverflow.com/questions/15197875/how-to-get-the-shipping-method-code-by-the-rate-id-in-the-magneto

Reference NO 2

http://stackoverflow.com/tags/shipping/hot?filter=year

Reference NO 3

http://stackoverflow.com/questions/tagged/shipping?page=2&sort=newest

Reference NO 4

http://www.magentocommerce.com/knowledge-base/entry/what-are-tax-rules-and-how-do-i-use-them

Reference NO 5

http://www.linnsystems.com/supportforum/viewtopic.php?f=8&t=781

Reference NO 6

http://www.webshopapps.com/productmatrix-shipping-extension.html

Reference NO 7

http://www.docstoc.com/docs/16841466/MAGENTO---Database-Diagram-[v116]---PDF---PDF

Reference NO 8

http://wiki.hsr.ch/Datenbanken/files/IMDB.pdf