**Preface to "The 4th XoveTIC Conference"**

The 4th XoveTIC Conference (A Coruna, Spain, 7–8 October 2021), organized by the Research ˜ Center of Information and Communication Technologies (CITIC) of the University of A Coruna˜ (UDC), is a platform for young pre- and postdoctoral researchers to present short communications in different research areas, such as big data, artificial intelligence, the Internet of Things, HPC (High-performance computing), cybersecurity, bioinformatics or natural language processing. The aim of the conference is to complement and improve the training of young researchers by providing them with a space for debate and scientific exchange. This fourth edition is intended to serve as a basis for this event to consolidate over time and acquire international.

Financial support from Vice-rectorate for Science Policy, Research and Transfer of Universidade da Coruna and Conseller ˜ ´ıa de Cultura, Educacion e Universidade of the Xunta de Galicia (Convenio ´ I+D+i Centro de investigacion de Galicia 2019–2022) and the European Union (European Regional ´ Development Fund- ERDF) is gratefully acknowledged.
