This is the program for the 2010 Joint Statistical Meetings in Vancouver, British Columbia.

Abstract Details

Activity Number: 417
Type: Contributed
Date/Time: Tuesday, August 3, 2010 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistics in Defense and National Security
Abstract - #307918
Title: Fusion Analysis of Various Invariants in Edge-Attributed Networks
Author(s): Andrey Rukhin*+
Companies: Naval Surface Warfare Center
Address: 18433 Frontage Road, Dahlgren, VA, 22448,
Keywords: Random Graphs ; Statistical Inference ; Data Fusion
Abstract:

We analyze the inferential value of data fusion in the context of determining changes or anomalies in edge-attributed networks. Given a network with attributes assigned to the edges (e.g. colors representing the subject matter of a communication between a pair of actors in the network), we analyze the asymptotic distributions of several graph invariants which incorporate a weighted mixture (or fusion) of the attributes. Our aim is to compare the statistical powers of our invariants over a variety of mixtures in order to determine an optimal choice of invariant (and fusion) in the context of change-point detection.


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