Hui Wu Guangzhi Qu Xingquan Zhu Self-adjust Local Connectivity Analysis for Spectral Clustering. 209-224 2011 PAKDD (1) http://dx.doi.org/10.1007/978-3-642-20841-6_18 conf/pakdd/2011-1 db/conf/pakdd/pakdd2011-1.html#WuQZ11