Jianfeng Lu Terry Caelli Jing-Yu Yang A Graph Decomposition Approach to Least Squares Attributed Graph Matching. 471-474 2004 ICPR (2) http://csdl.computer.org/comp/proceedings/icpr/2004/2128/02/212820471abs.htm db/conf/icpr/icpr2004-2.html#LuCY04