Hong Yu Xiaoliang Yang Xianchao Zhang Yuansheng Yang An Improved Random Walk Algorithm Based on Correlation Coefficient to Find Scientific Communities. 690-693 2008 CSSE (1) http://dx.doi.org/10.1109/CSSE.2008.1226 conf/csse/2008-1 db/conf/csse/csse2008-1.html#YuYZY08