Inference of anomalous behavior of members of cohorts and associate actors related to the anomalous behavior based on divergent movement from the cohort context centroid

Patent No. 9,460,393

Issued: October 4, 2016
Filed: March 30, 2015
Term Extension:  days

Inventor: Friedlander; Robert R. (Southbury, CT), Kraemer; James R. (Santa Fe, NM)
Assignee: International Business Machines Corporation (Armonk, NY)


A method, a system and a computer program product for determining whether a change in value of a data item relating to an entity being tracked within a cohort is statistically and contextually significant. A computer captures a plurality data items relating to the entity being tracked at a time N+1. The value of the data item at time N+1 is compared to a value of a historical data item at time N. If the value of the data item at time N+1 is different from the value of the historical data item at time N, determining that a change has occurred. If a change in a data item has occurred, determining whether the change in the data item is related to the entity being tracked is statistically and contextually significant in n space on multiple dimensions.

Reference to Related Applications

This is a continuation of copending application Ser. No. 13/705,882, filed Dec. 5, 2012, entitled "INFERENCE OF ANOMALOUS BEHAVIOR OF MEMBERS OF COHORTS AND ASSOCIATE ACTORS RELATED TO THE ANOMALOUS BEHAVIOR BASED ON DIVERGENT MOVEMENT FROM THE COHORT CONTEXT CENTROID". The aforementioned application is hereby incorporated herein by reference.


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