Takanori Yamamoto Hideo Bannai Masao Nagasaki Satoru Miyano Better Decomposition Heuristics for the Maximum-Weight Connected Graph Problem Using Betweenness Centrality. 465-472 2009 Discovery Science http://dx.doi.org/10.1007/978-3-642-04747-3_40 conf/dis/2009 db/conf/dis/dis2009.html#YamamotoBNM09