This graph of accelerators, venture funds and some startups associated with them was created analyzing Google Knowledge graph (shows what people search for together in the same context) as well as some information available about those funds on Crunchbase.
It can be a good starting point to explore this domain. Click on the nodes in the graph to see their connections. After you select a few of the funds on the graph, click >> button to find out on Google when all those funds appear together (investment, event, etc.)
You can also view the graph directly on InfraNodus.