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Inventor
KAISER ROLF W
US
2 patents
Patents
2 patents
US7022905B1
Apr 4, 2006
Classification of information and use of classifications in searching and retrieval of information
MICROSOFT CORP
214 citations
94
US7279629B2
Oct 9, 2007
Classification and use of classifications in searching and retrieval of information
MICROSOFT CORP
46 citations
91