All About Taxonomy

Taxonomy Hidden List
http://pholpar.wordpress.com/2010/02/03/some-words-about-taxonomyfieldvalue-and-its-wssid-property/
http://www.threewill.com/2010/09/finding-taxonomyhiddenlist/
http://pholpar.wordpress.com/2010/02/03/some-words-about-taxonomyfieldvalue-and-its-wssid-property/

Querying on Managed Metadata Field Values

http://msdn.microsoft.com/en-us/library/ff625182.aspx

SharePoint 2010 Fast Search: Filter all contents with Metadata using the QueryString.

http://antoniolanaro.blogspot.com/2011/02/sharepoint-2010-fast-search-filter-all.html

Programmatically serialize and deserialize Refinement Query String “R” in FAST Search Center

http://justsharingknowledge.wordpress.com/2011/10/02/programmatically-serialize-and-deserialize-refinerment-query-string-r-in-fast-search-center/