In response to the September 11, 2001 terrorist attacks, many governments and citizens across the world have been mobilized
at an unprecedented scale to contribute to national/international and societal security. The scientific and engineering research
communities are no exception and have been called upon to play an important role in this effort. With such background, Intelligence
and Security ... [Show full abstract] Informatics (ISI) has emerged since 2003 as a fast growing multidisciplinary field of study aimed at developing
advanced information technologies, systems, algorithms, and databases for national- and homeland security-related applications,
through an integrated technological, organizational, and policy-based approach [1-3].