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:
Feb. 07, 2012
Filed:
Jan. 27, 2009
Shigenobu Takayama, Tokyo, JP;
Ayako Kirimura, Tokyo, JP;
Shigenobu Takayama, Tokyo, JP;
Ayako Kirimura, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
The present invention aims to facilitate integration of databases by classifying a plurality of tables in databases into a group of similar tables. A table classification deviceincludes a semantic classifying unitcarrying out classification with considering meanings of columns which form a database and a statistical classifying unitcarrying out classification based on statistical information of the columns. The tables are classified hierarchically by combining a classification method of the semantic classifying unitand a classification method of the statistical classifying unit