Preface for the International Workshop on Semantic IoT Fatima Zahra Amara1, Mounir Hemam1 1 University of Abbes Laghrour, Department of Computer Science and Mathematics, ICOSI Laboratory, Khenchela, Algeria SIoT-2022 is the 1st International Workshop on Semantic IoT (SIoT-2022), Co-located with the KGSWC-2022. The primary aim of this workshop is to bring together researchers from multiple focus areas such as Internet of Things (IoT), Semantic Web (SW), Knowledge Representation and Reasoning (KRR), Machine Learning (ML), Privacy and Security issues relevant to intelligent systems and IoT; and other related fields to foster a discussion and enhance the state-of-the-art. First, our thanks go to the all organizers of the main events and Program Committee members for ensuring a rigorous review process that led to anexcellent scientific program and an average of three reviews per article. SIoT-2022 workshop has received 3 papers and accepted 3 papers after rigorous reviewing process. All accepted papers were long papers. Each paper was reviewed by three reviewers with different backgrounds. The following papers were accepted for publication and presented at the workshop: • Semantic Models and Machine learning approach in CPS: a survey • Ontological modeling of ERP for Industry 4.0 • Privacy Preservation of Biometrics Used for IoT Systems Security: Brief Review Organizing Committee • Fatima Zahra AMARA, University of Abbes Laghrour, Khenchela, Algeria • Mounir Hemam, University of Abbes Laghrour, Khenchela, Algeria Steering and Advisory Committee Publication Chair Program Committee • Bilal Ben Mahria, Independent, Moroco • Deepak Gerard, Manipal Institute of Technology Bengaluru, Manipal Academy of Higher Education, India • Fatima Zahra Amara, University of Abbes Laghrour Khenchela, Algeria • Fernando Ortiz Rodriguez, Universidad Autonoma de Tamaulipas, Mexico • Lynda Djakhdjakha, University of Guelma, Algeria • Meriem Djezzar, University of Abbes Laghrour Khenchela, Algeria • Mounir Hemam, University of Abbes Laghrour Khenchela, Algeria SIoT-2022: International Workshop on Semantic IoT (SIoT-2022), Co-located with the KGSWC-2022, November 21-23, 2022, Madrid, Spain. f.amara@univ-khenchela.dz (F.Z. Amara); hemam.mounir@univ-khenchela.dz (M. Hemam) © 2022 Copyright for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0). CEUR Workshop Proceedings (CEUR-WS.org) Workshop Proceedings • Moufida Maimour, University of lorraine, France • Sanju Tiwari, Universidad Autonoma de Tamaulipas, Mexico • Sven Groppe, University of Lübeck, Germany • Youcef Bezza, University of Abbes Laghrour Khenchela, Algeria • Younes Djaghloul, CRP Henri Tudor, Luxembourg • Zianou Ahmed Seghir, University of Abbes Laghrour Khenchela, Algeria Acknowledgements The editors would like to wholeheartedly thank supporting keynote, advisory team, authors, the program committee and other organizers for their constant support to make this event successful.