A Gallery of Large Graphs

graph visualization of matrices from the University of Florida Collection

Graph visualization is a way to discover and visualize structures in complex relations. What sort of structures are people who do large scale computation studying? We can get a glimpse by visualizing the thousands of sparse matrices submitted to the University of Florida Sparse Matrix collection using sfdp algorithm . The resulting gallery contains the drawing of graphs as represented by 2568 sparse matrices in this collection. Each of these sparse matrices (a rectangular matrix is treated as a bipartite graph) is viewed as the adjacency matrix of an undirected graph, and is laid out by a multilevel graph drawing algorithm. If the graph is disconnected, then the largest connected component is drawn. The largest graphs have tens of millions of nodes and over a billion of edges. A simple coloring scheme is used: longer edges are colored with colder colors, and short ones warmer. The graphs are in alphabetical order. Use the "Search" link to find graphs of specific characters.

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JGD_Margulies/wheel_5_1	JGD_Margulies/wheel_601	JGD_Margulies/wheel_6_1	JGD_Margulies/wheel_7_1	JGD_Relat/rel3
JGD_Relat/rel4	JGD_Relat/rel5	JGD_Relat/rel6	JGD_Relat/rel7	JGD_Relat/rel8
JGD_Relat/rel9	JGD_Relat/relat3	JGD_Relat/relat4	JGD_Relat/relat5	JGD_Relat/relat6
JGD_Relat/relat7	JGD_Relat/relat7b	JGD_Relat/relat8	JGD_Relat/relat9	JGD_SL6/D_10