%0 Journal Article %J IEEE Signal Processing Magazine %D 2013 %T Privacy-Preserving Data Aggregation in Smart Metering Systems: An Overview %A Zekeriya Erkin %A Juan Ramón Troncoso-Pastoriza %A Reginald Lagendijk %A Fernando Pérez-González %K SPED %B IEEE Signal Processing Magazine %V 30 %P 75-86 %8 03/2013 %G eng %N 2