15. The system of claim 11 , wherein the one or more processors are further configured to store the plurality of tiles representing images of the sub-graph in a database.
11. A system comprising: one or more processors and executable instructions accessible on a computer-readable medium that, when executed, configure the one or more processors to at least: obtain graph data including information related to a plurality of nodes, the plurality of nodes corresponding to search queries performed on a host site; construct sub-graph of additional nodes that represent search results of the search queries, the constructing of the sub-graph including generating links between the additional nodes based on an amount of overlap among the search results produced from the search queries that correspond to the one or more of the plurality of nodes, the additional nodes included in the sub-graph being clusters of the search results; render a graph by displaying each node at a respective absolute position within the graph and generating a plurality of tiles that depict images of the sub-graph at each of a plurality of zoom levels; and display a sub-graph image corresponding to a selected position and zoom level.