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.

Date of Patent:
Nov. 22, 2016

Filed:

Jan. 28, 2016
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Andreas Brodt, Gerlingen, DE;

Oliver Schiller, Dettingen, DE;

Marc Schwind, Holzgerlingen, DE;

Knut Stolze, Hummelshain, DE;

Mathias Trumpp, Ulm, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
G06F 17/3053 (2013.01); G06F 17/30333 (2013.01);
Abstract

Determining an extremum value of an attribute of a first data table. The first data table includes a set of data blocks. Assigning each data block of the set of data blocks an attribute value information indicative of a range of values of the attribute. Assigning the attribute value information results in an extremum set of indicative maximum and minimum values of the attribute. Determining a reference value as the infimum or supremum of the extremum set. If the extremum is a minimum, selecting a subset of the set of data blocks, each having a respective minimum value of the attribute smaller than the reference value. If the extremum is a maximum, selecting a subset of the set of data blocks, each having a respective maximum value of the attribute higher than the reference value. Processing at least part of the subset of data blocks for identifying the extremum value.


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