Hybrid Systems for River Flood Forecasting Using MLP, SOM and Fuzzy Systems. - Ivna Valença; Teresa Bernarda Ludermir (ICANN (1), 2009)

Hybrid Systems to Select Variables for Time Series Forecasting Using MLP and Search Algorithms. - Ivna Valença; Teresa Bernarda Ludermir; Mêuser Jorge Silva Valença (SBRN, 2010)

Selecting variables with search algorithms and neural networks to improve the process of time series forecasting. - Ivna Valença; Tarcísio Lucas; Teresa Bernarda Ludermir; Mêuser Jorge Silva Valença (Int. J. Hybrid Intell. Syst., 2011)

Optimizing the Extreme Learning Machine Using Harmony Search for Hydrologic Time Series Forecasting. - Ivna Valença; Mêuser Jorge Silva Valença (IDEAL, 2012)