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You may also take a look at the source code.
The network in this dataset can be loaded directly from graph-tool with:import graph_tool.all as gt g = gt.collection.ns["epinions"]
A bipartite network of users and the products they rated on the website Epinions.com. A user connects to all products on which that user entered a rating. Edge weight represents the rating score, and edges are timestamped.1
|epinions||876,252||13,668,320||31.20||396.37||838.83||45.13||-0.12||0.00||12||1.00||Undirected||Bipartite||weight time||40.0 MiB||75.3 MiB||66.7 MiB||67.1 MiB|