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Publication Details

PHERL: an Emerging Representation Language for Patterns, Hypotheses, and Evidence

by Murray, K. and Harrison, I. and Lowrance, J. and Rodriguez, A. and Thomere, J. and Wolverton, M.

in Proceedings of the AAAI Workshop on Link Analysis

2005.

Abstract

Managing and analyzing information remains an enduring and essential challenge for intelligence professionals. Link analysis tools are beginning to be adopted in the intelligence community as part of the community’s analysis toolset. However, since a wide variety of types of analyses is possible, even within just the link analysis field, no one tool is likely to be sufficient to complete an analysis. Instead, analysts will be required to use a suite of tools to accomplish their tasks. This motivates the need for interchange languages between tools, so they can be used in coordinated workflows to meet the needs of the intelligence analyst. We are developing PHERL, an interchange language for link analysis tools, which is designed to support the sharing of patterns and hypotheses (e.g., pattern-match results). This paper presents our preliminary work and solicits contributions of representation requirements from the link analysis community.

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Associated Projects

LAW

The Link Analysis Workbench

The goal of this project is to develop the Link Analysis Workbench (LAW), a Web-accessible tool where analysts and machines collaboratively perform link analysis by defining hierarchical and temporal patterns, that include uncertain and qualitative elements, and by defining search strategies for pattern application, through a graphical user interface that supports direct graphical browsing and editing of patterns, search strategies, and summaries and details of resulting matches.

AIC Personnel

Name Title E-mail
Harrison, Ian W Alumnus
Lowrance, John D Program Director
Murray, Ken S Senior Computer Scientist
Rodriguez, Andres C Computer Scientist
Thomere, Jerome F Computer Scientist
Wolverton, Michael J Senior Computer Scientist

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