****** PLEASE APOLOGIZE FOR MULTIPLE COPIES ****** ********************************************************** 21st International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU 2026) June 15th-19th, 2026, Rome, Italy https://www.sbai.uniroma1.it/conferenze/ipmu2026/ *********************************************************** Due to numerous requests, the deadline for paper submission at IPMU 2026 has been extended to February 15, 2026, both for long and short papers. This will be the final, hard deadline. Papers must be submitted in PDF via EasyChair at https://easychair.org/my/conference?conf=ipmu2026 Submission instructions can be found at https://www.sbai.uniroma1.it/conferenze/ipmu2026/submission-instructions.php IMPORTANT DATES: Paper submission deadline: February 15, 2026 Notification of acceptance: March 15, 2026 Camera-ready versions: April 1, 2026 Conference: June 15-19, 2026 Contact: ipmu2026@sbai.uniroma1.it KEYNOTE SPEAKERS: We are also pleased to inform about the keynote speakers at the conference: Bob Kowalski (Imperial College London, United Kingdom) Luc de Raedt (KU Leuven, Belgium) María Ángeles Gil (University of Oviedo, Spain) Marco Zaffalon (IDSIA, Switzerland) GRANTS AND AWARDS: EUSFLAT is providing 5 student grants to support student participation at the conference. Eligibility criteria and instructions can be found at https://www.sbai.uniroma1.it/conferenze/ipmu2026/student-grants.php In addition, there shall be a number of awards for the best paper and best student paper at the conference. General Chair Barbara Vantaggi (Italy)