Additional file 2.Definition of modularity and k-core. The file provides definitions for the two structural properties (modularity and k-core) used in this paper to describe the food recall pattern observed between January and November 2007. Format: DOC Size: 22KB Download file This file can be viewed with: Microsoft Word Viewer Nepusz et al. BMC Public Health 2008 8:308 doi:10.1186/1471-2458-8-308 |