David B. Skillicorn M. A. J. Bourassa A Framework for Analyst Focus from Computed Significance. 33-47 2011 Counterterrorism and Open Source Intelligence http://dx.doi.org/10.1007/978-3-7091-0388-3_3 series/lnsn/2011-2 db/series/lnsn/lnsn2.html#SkillicornB11