Huicheng Zheng Wei Shen Qionghai Dai Sanqing Hu Locally Linear Online Mapping for Mining Low-Dimensional Data Manifolds. 830-838 2008 PAKDD http://dx.doi.org/10.1007/978-3-540-68125-0_81 conf/pakdd/2008 db/conf/pakdd/pakdd2008.html#ZhengSDH08