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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HB/dwt_2680	HB/dwt_307	HB/dwt_310	HB/dwt_346	HB/dwt_361
HB/dwt_419	HB/dwt_492	HB/dwt_503	HB/dwt_512	HB/dwt_59
HB/dwt_592	HB/dwt_607	HB/dwt_66	HB/dwt_72	HB/dwt_758
HB/dwt_869	HB/dwt_87	HB/dwt_878	HB/dwt_918	HB/dwt_992