RT Journal T1 Clustering of blast furnace historical data based on PCA similarity factor and spectral clustering A1 PANG Renming, WANG Bo, YE Hao, ZHANG Haifeng, LI Mingliang PB Journal of Shandong University(Engineering Science) FD 2017-10-20 YR 2017 JF Journal of Shandong University(Engineering Science) JO Journal of Shandong University(Engineering Science) VO 47 IS 5 SP 143 DO 10.6040/j.issn.1672-3961.0.2017.172 K1 PCA similarity factor;spectral clustering;blast furnace;data mining;multimode;operating point drift LK {http://gxbwk.njournal.sdu.edu.cn/EN/article/article_1656.shtml}