SUBMISSION DEADLINE 17th International Conference on Web Information Systems and Technologies Submission Deadline: May 18 2021 12:00AM http://www.webist.org October 26 - 28, 2021 Valletta, Malta. WEBIST is organized in 4 major tracks: - INTERNET TECHNOLOGY - WEB INTELLIGENCE and SEMANTIC WEB - SOCIAL NETWORK ANALYTICS - HCI in MOBILE SYSTEMS and WEB INTERFACES Proceedings will be submitted for indexation by: SCOPUS, Google Scholar, DBLP, Semantic Scholar, Microsoft Academic, EI and Web of Science / Conference Proceedings Citation Index. A short list of presented papers will be selected so that revised and extended versions of these papers will be published by Springer. All papers presented at the congress venue will also be available at the SCITEPRESS Digital Library (http://www.scitepress.org/DigitalLibrary/). Should you have any question please don't hesitate contacting me. Kind regards, WEBIST Secretariat Address: Avenida de S. Francisco Xavier, Lote 7 Cv. C 2910-595 Setubal, Portugal Tel: +351 265 520 184 Fax: +351 265 520 186 Web: http://www.webist.org e-mail: webist.secretariat@insticc.org