Visuel: A Novel Performance Monitoring and Analysis Toolkit for Cluster and Grid Environments. - Kuan-Ching Li; Hsiang-Yao Cheng; Chao-Tung Yang; Ching-Hsien Hsu; Hsiao-Hsi Wang; Chia-Wen Hsu; Sheng-Shiang Hung; Chia-Fu Chang; Chun-Chieh Liu; Yu-Hwa Pan (ICA3PP, 2005)