Biography:
He was graduated with the degree in Computer Engineer in 1998 from the school of engineering (ICAI), Universidad Pontificia Comillas. Dr. David Contreras received his doctorate about multimedia traffic in Bluetooth networks at the Comillas Pontifical University in 2010. His research interests include wireless sensor networks, opportunistic networks and information retrieval systems. He acts as reviewer for a series of high-ranked journals such as IEEE Communications Letters, Journal on Wireless Communications and Networking and Elsevier Measurement.
Areas of interest:
Wireless Networks. Bluetooth architecture. Information Retrieval Systems. Software development. IoT, Cloud and Big Data. Blockchain.
Vallez Fernández, C.M., Castro, M., Contreras, D., Challenges and opportunities in dock-based bike-sharing rebalancing: a systematic review. Sustainability. Vol. 13, nº. 4, pp. 1829-1 - 1829-26, February 2021. [Online: February 2021] 
JCR: 3,889 Q2 (2021); 3,300 Q2 (2023) - SJR: 0,664 Q1 (2021); 0,672 Q1 (2023)
JCR: 1,606 (2017); 2,500 Q3 (2023) - SJR: Q2 (2017); 0,886 Q1 (2023)
JCR: 3,928 Q1 (2016); 7,500 Q1 (2023) - SJR: Q1 (2016); 1,875 Q1 (2023)
JCR: 1,660 Q1 (2015); 4,400 Q1 (2023) - SJR: 1,342 Q1 (2023)
JCR: 3,785 Q1 (2011); 8,300 Q1 (2023) - SJR: Q1 (2011); 5,631 Q1 (2023)
JCR: 0,982 Q2 (2011); 3,700 Q2 (2023) - SJR: Q1 (2011); 1,887 Q1 (2023) 
