Learning Calibration Functions on the Fly: Hybrid Batch Online Stacking Ensembles for the Calibration of Low-Cost Air Quality Sensor Networks in the Presence of Concept Drift by Evangelos Bagkis, Theodosios Kassandros, Kostas Karatzas

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A Conceptual Model of Measurement Uncertainty in IoT Sensor Networks by Piotr Cofta, Kostas Karatzas, Cezary Orłowski

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Revisiting urban air quality forecasting: a regression approach by Kostas Karatzas, Nikos Katsifarakis, Cezary Orlowski, Arkadiusz Sarzyński

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A Generic Preprocessing Optimization Methodology when Predicting Time-Series Data by Ioannis Kyriakidis, Kostas Karatzas, Andrew Ware, George Papadourakis

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Analyzing and Improving the Performance of a Particulate Matter Low Cost Air Quality Monitoring Device by Evangelos Bagkis, Theodosios Kassandros, Marinos Karteris, Apostolos Karteris, Kostas Karatzas

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The evaluation of pollen concentrations with statistical and computational methods on rooftop and on ground level in Vienna – How to include daily crowd-sourced symptom data by Maximilian Bastl, Katharina Bastl, Kostas Karatzas, Marija Aleksic, Reinhard Zetter, Uwe Berger

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Particulate air pollution in the Copenhagen metro part 2: Low-cost sensors and micro-environment classification by Hugo S. Russell, Niklas Kappelt, Dafni Fessa, Louise B. Frederickson, Evangelos Bagkis, Pantelis Apostolidis, Kostas Karatzas, Johan A. Schmidt, Ole Hertel, Matthew S. Johnson

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