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kartiksh - 4:39 pm on May 20, 2008 (gmt 0)
This seems direct knowledge gain to enhance both live search and enterprise search.
I am not sure whether this is related or not but, have you had a chance to review Microsoft Search Server 2008 [microsoft.com] which was dicussed here [webmasterworld.com]. The express version is free for small to mid size businesses.