talk about task 1 & 2
some experiment about eigenvalue
fix picture position
Merge pull request #63 from spininertia/master

lots of change..
Merge branch 'master' of github.com:essex405/graph-mining-rdbms
Merge pull request #64 from pondering/master

Fix figure position
finish task 1
finish task 2
finish task 5
Merge pull request #65 from pondering/master

Add task 1,2,5
some task 7
add innovative task
Merge pull request #66 from pondering/master

Add task 7
remove redundancies
add experiment for radius and bp
add test for bp
add test for radius
add figures for task radius