How to Index a Social Grapt

What we're trying to do is to intax a social graph like gogleintaks the web. And social graphs are everywhere, not only on twitter, but also in pot casts,. Who appeared on each podcast, guests and house as a social grap? It's an endless list of possibilities once we have that index that can now any one can query. Like there are hundreds, if not thousands, of different social grapts. In theory, you can bring all of them together into a single index, so that you could build search engines and social feeds and other systems like it.