Gremlin is an interactive visualization model for the comparative analysis of structural variation in human and cancer genomes. The model is described in the paper referenced below.
T.M. O’Brien, A. Ritz, B.J. Raphael, and D.H. Laidlaw. (2010) Gremlin: An Interactive Visualization Model for Analyzing Genomic Rearrangements. IEEE Transactions on Visualization and Computer Graphics. vol.16, no.6, pp.918-926. [Publisher Link]