The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2012
Filed:
Nov. 17, 2006
Bing Tian Dai, Singapore, SG;
Nikolaos Koudas, Toronto, CA;
Beng Chin Ooi, Singapore, SG;
Divesh Srivastava, Summit, NJ (US);
Suresh Venkatasubramanian, Salt Lake City, UT (US);
Bing Tian Dai, Singapore, SG;
Nikolaos Koudas, Toronto, CA;
Beng Chin Ooi, Singapore, SG;
Divesh Srivastava, Summit, NJ (US);
Suresh Venkatasubramanian, Salt Lake City, UT (US);
AT&T Intellectual Property II, L.P., Atlanta, GA (US);
Abstract
A method and apparatus for rapid identification of column heterogeneity in databases are disclosed. For example, the method receives data associated with a column in a database. The method computes a cluster entropy for the data as a measure of data heterogeneity and then determines whether said data is heterogeneous in accordance with the cluster entropy.