AI	Artificial intelligence
ANN	Artificial neural network
BOD5	Five-day biochemical oxygen demand
BSM2	Benchmark simulation model no. 2
CL	Closed loop
COD	Chemical oxygen demand
DTW	Dynamic time warping
EQI	Effluent quality index
FN	False negatives
FP	False positives
GRU	Gated Recurrent Unit
LSTM	Long Short-Term Memory
MAE	Mean absolute error
MAPE	Absolute percentage error
MATLAB	Matrix laboratory
ML	Machine learning
MPC	Model predictive controller
MSE	Mean squared error
NN	Neural network
OL	Open loop
R2	Coefficient of determination
RF	Random Forest
SNKj	Kjeldahl nitrogen
SNO	Nitrate nitrogen
TN	True Negatives
TP	True Positives
TSS	Total suspended solids
WWTP	Wastewater treatment plant