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:
Oct. 11, 2005
Filed:
Aug. 16, 2001
Andreas Arning, Rottenburg, DE;
Toni Bollinger, Weil der Stadt, DE;
Reinhold Keuler, Dettenhausen, DE;
Friedemann Harald Schwenkreis, Leinfelden-Echterdingen, DE;
Andreas Arning, Rottenburg, DE;
Toni Bollinger, Weil der Stadt, DE;
Reinhold Keuler, Dettenhausen, DE;
Friedemann Harald Schwenkreis, Leinfelden-Echterdingen, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and system for automatically detecting deviations in a data table comprising a multitude of records and a multitude of columns. A column of the data table is selected as a classification column and a classification tree is calculated with respect to the classification column. Each edge of the classification tree is associated with a predicate. The leaf nodes of the classification tree are associated with a leaf record set comprising the subset of records for which the class predicate comprising all predicates along a path from a root node of the classification tree to the leaf nodes evaluates to TRUE. Leaf nodes are associated with a leaf label representing an expected value in the classification column for the corresponding leaf record sets. From the leaf record sets all records deviating with respect to the corresponding classification column from the leaf label are determined as deviation sets.