Reusing information for high-level fusion: characterizing bias and uncertainty in human-generated intelligence
2013
To expedite the intelligence collection process, analysts reuse previously collected data. This poses the risk of analysis
failure, because these data are biased in ways that the analyst may not know. Thus, these data may be incomplete,
inconsistent or incorrect, have structural gaps and limitations, or simply be too old to accurately represent the current
state of the world. Incorporating human-generated intelligence within the high-level fusion process enables the
integration of hard (physical sensors) and soft information (human observations) to extend the ability of algorithms to
associate and merge disparate pieces of information for a more holistic situational awareness picture. However, in order
for high-level fusion systems to manage the uncertainty in soft information, a process needs to be developed for
characterizing the sources of error and bias specific to human-generated intelligence and assessing the quality of this
data.
This paper outlines an approach Towards Integration of Data for unBiased Intelligence and Trust (TID-BIT) that
implements a novel Hierarchical Bayesian Model for high-level situation modeling that allows the analyst to accurately
reuse existing data collected for different intelligence requirements. TID-BIT constructs situational, semantic
knowledge graphs that links the information extracted from unstructured sources to intelligence requirements and
performs pattern matching over these attributed-network graphs for integrating information. By quantifying the
reliability and credibility of human sources, TID-BIT enables the ability to estimate and account for uncertainty and bias
that impact the high-level fusion process, resulting in improved situational awareness.
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