Gesellschaft fr Informatik e.V.

Lecture Notes in Informatics


Informatik 2004, Informatik verbindet, Band 1, Beiträge der 34. Jahrestagung der Gesellschaft für Informatik e.V. (GI), Ulm, 20. - 24. September 2004 P-50, 244-248 (2004).

GI, Gesellschaft für Informatik, Bonn
2004


Editors

Peter Dadam, Manfred Reichert (eds.)


Copyright © GI, Gesellschaft für Informatik, Bonn

Contents

Outlier detection by rareness assumption

Tomas Hrycej and Jochen Hipp

Abstract


A concept for identification of candidates for outliers is presented, with a focus on nominal variables. The database concerned is searched for rules that are almost universally valid, with rare exceptions. In statistical terms, for these rules, the hypothesis that the rule is universally valid except for random faults cannot be rejected. Outlier candidates are those values that violate these rules.


Full Text: PDF

GI, Gesellschaft für Informatik, Bonn
ISBN 3-88579-379-2


Last changed 24.01.2012 21:46:47