First Call for Participation: 21st Reasoning Web Summer School September 25-28, 2025, Istanbul, Turkey https://2025.declarativeai.net/events/reasoning-web Part of Declarative AI 2025, co-located with the RuleML+RR conference ************************************************************************************************************ We are happy to announce that the 21st edition of the Reasoning Web Summer School (RW 2025) will take place from September 25-28, 2025 in Istanbul, Turkey. RW 2025 is part of Declarative AI 2025, which also includes the 9th International Joint Conference on Rules and Reasoning (RuleML+RR) and DecisionCAMP 2025, both held from September 22-24, 2025. The purpose of the Reasoning Web Summer School is to disseminate recent advances in reasoning techniques and relevant topics related to ontologies, rules, logic, the semantic web, linked data, and knowledge graph applications. The summer school is primarily intended for individuals who are currently pursuing or have recently completed postgraduate degrees (PhD or MSc). However, the school also welcomes the participation of researchers at later career stages who wish to become acquainted with the area or deepen their understanding of recent developments. The RW school is a great venue for meeting like-minded researchers and exchanging with an engaging and approachable group of international lecturers! *** Summer School Program *** As in previous years, the summer school will feature 8 tutorials delivered by researchers who are experts in the area. Here are the confirmed speakers and topics for this year's school: Camille Bourgaux: Inconsistency-Tolerant Semantics Based on Preferred Repairs Esra Erdem, Aysu Bogatarkan, Muge Fidan: Human-Centered ASP Applications: Representation and Reasoning Patrick Koopmann: Explaining Reasoning Results for Description Logic Ontologies Markus Krötzsch: Modern Datalog: Concepts, Methods, Applications Antonella Poggi: From One-Level to Multi-Level Ontology-Based Data Access Francesco Ricca and Giuseppe Mazzotta: ASP Essentials: Modelling and Efficient Solving Luciano Serafini: Neuro-Symbolic Artificial Intelligence Przemyslaw Walega: Reasoning about Time in DatalogMTL Tutorial abstracts and speaker bios can be found on the RW 2025 website: https://2025.declarativeai.net/events/reasoning-web/program *** Applications & Registration *** To participate in RW 2025, you will need to submit a short application, with information on your academic and research background and motivation for attending the school. You can do so by filling out the following form: https://forms.gle/e9aDLTveQCXsBmwk9 or alternatively, by sending the organizers an email with all of the information requested on the form. Applications will be reviewed on a rolling basis, and notifications will be sent within 1-2 weeks from the time of application. Successful applicants will receive information on how to pay the registration fee to confirm their spot in the school. There is a discounted fee of 240€ (incl. VAT) for all applications received by May 31st. The regular fee of 300€ (incl. VAT) applies to all applications received on or after June 1st. The registration fee includes access to the lectures, lunches, and coffee breaks for the four days, as well as a social event. Note that students who participate in RW 2025 are also encouraged to apply to the Rule ML+RR Doctoral Consortium. Students attending both events will not need to pay the Doctoral Consortium fee. *** If you require additional information, please get in touch with the chairs. * Alessandro Artale, Free University of Bozen-Bolzano, Italy artale(a)inf.unibz.it * Meghyn Bienvenu, CNRS & University of Bordeaux, France meghyn.bienvenu(a)u-bordeaux.fr