Yu-Chuan Chang Shyi-Ming Chen Churn-Jung Liau Fuzzy Interpolative Reasoning for Sparse Fuzzy-Rule-Based Systems Based on the Areas of Fuzzy Sets. 1285-1301 2008 16 IEEE Trans. Fuzzy Syst. 5 https://doi.org/10.1109/TFUZZ.2008.924340 db/journals/tfs/tfs16.html#ChangCL08