A review of graph-powered data quality applications for IoT monitoring sensor networks

P Ferrer-Cid, JM Barcelo-Ordinas… - Journal of Network and …, 2025 - Elsevier
The development of Internet of Things (IoT) technologies has led to the widespread adoption
of monitoring networks for a wide variety of applications, such as smart cities, environmental …

GraphHD: Efficient graph classification using hyperdimensional computing

I Nunes, M Heddes, T Givargis… - … , Automation & Test …, 2022 - ieeexplore.ieee.org
Hyperdimensional Computing (HDC) developed by Kanerva is a computational model for
machine learning inspired by neuroscience. HDC exploits characteristics of biological …

A global multiunit calibration as a method for large-scale IoT particulate matter monitoring systems deployments

S De Vito, G D'Elia, S Ferlito… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Scalable and effective calibration is a fundamental requirement for low-cost air quality (AQ)
monitoring systems and will enable accurate and pervasive monitoring in cities. Suffering …

Data reconstruction applications for IoT air pollution sensor networks using graph signal processing

P Ferrer-Cid, JM Barcelo-Ordinas… - Journal of Network and …, 2022 - Elsevier
The analysis of sensor networks for air pollution monitoring is challenging. Recent studies
have demonstrated the ability to reconstruct the network measurements with graphs derived …

Volterra graph-based outlier detection for air pollution sensor networks

P Ferrer-Cid, JM Barcelo-Ordinas… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Today's air pollution sensor networks pose new challenges given their heterogeneity of low-
cost sensors and high-cost instrumentation. Recently, with the advent of graph signal …

Graph signal reconstruction techniques for iot air pollution monitoring platforms

P Ferrer-Cid, JM Barcelo-Ordinas… - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
Air pollution monitoring platforms play a very important role in preventing and mitigating the
effects of pollution. Recent advances in the field of graph signal processing have made it …

Graph learning from band-limited data by graph Fourier transform analysis

B Shan, W Ni, X Yuan, D Yang, X Wang, RP Liu - Signal Processing, 2023 - Elsevier
A graph provides an effective means to represent the statistical dependence or similarity
among signals observed at different vertices. A critical challenge is to excavate graphs …

Leveraging spatiotemporal correlations with recurrent autoencoders for sensor anomaly detection

X Allka, P Ferrer-Cid… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
The introduction of high-and low-cost Internet of Things (IoT) sensors in air quality
monitoring networks, in addition to providing a cost-effective solution for monitoring pollutant …

A graph-based approach for missing sensor data imputation

X Jiang, Z Tian, K Li - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
The Internet of Things (IoT) oriented intelligent services require high-quality sensor data
delivery in the wireless sensor networks (WSNs). However, either due to the sensor …

The deterministic sensor deployment problem for barrier coverage in WSNs with irregular shape areas

CF Cheng, CC Hsu - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
Most extant studies of barrier coverage in wireless sensor networks (WSNs) have assumed
that the region of interest (RoI) is in a rectangular shape and sensors are randomly …