Data fusion technologies produce incredibly powerful situation assessment tools with widespread military and non-military applications. This cutting-edge book arms the fast-growing field of fusion system developers and researchers with the essential tools and latest techniques they need to develop next-generation fusion services, select algorithms and software, simulate performance, and evaluate systems with never-before effectiveness. The book explores techniques for applications such as target classification/identification and unit aggregation, assessing their suitability and capabilities in each case. Moreover, it spotlights emerging technologies like particle filtering, clustering, net-centricity, agent formalism, and distributed fusion.