Background Graph Mining Networks types: REGULAR RANDOM SMALL WORLD SCALE-FREE 1950s,Erdos 1998,Watts 1999,Barabasi and Renyi and Strogatz and Albert TNetworks types: REGULAR SMALL WORLD RANDOM SCALE-FREE T 1950s,Erdos and Renyi 1998,Watts and Strogatz 1999,Barabasi and Albert Background Graph Mining