FCMSSImpute is name of an algorithm which estimates missing values in microarray data using fuzzy clustering and genes semantic similarity.
Fuzzy C-Mean Semantic Similarity Imputation
M. M. Pourhashem, M. Kelarestaghi, M. M. Pedram, "Missing Value Estimation in Microarray Data Using Fuzzy Clustering and Semantic Similarity", Global Journal of Computer Science and Technology, 2010, vol. 10, no. 12, pp. 18-22.