Examples include the graph of hyperlinks linking HTML documents on the Web, the social network graph of friendships between people, the bipartite graphs connecting users to the movies they like, and so on.
Graph pattern mining is the mining of frequent subgraphs (also called (sub)graph patterns) in one or a set of graphs.
Methods for mining graph patterns can be categorized into Apriori-based and pattern growth–based approaches.
Hence, the time series data representation have gained popularity over the years, which ease the task of mining, analysis and visualization.
Graph based representation is one such emerging tool in which the time series data is represented as nodes and edges of graph.