%0 Journal Article %T An Improved Generalized-Trend-Diffusion-Based Data Imputation for Steel Industry %A Ying Liu %A Zheng Lv %A Wei Wang %J Mathematical Problems in Engineering %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/136241 %U http://dx.doi.org/10.1155/2013/136241