Two two-years Research Assistant positions are available at the Institute of Cognitive Sciences and Technologies, Italian National Research Council, starting as early as February 2023. The selected candidates will have the opportunity to work on the research track of HACID (http://hacid-project.eu/), which is an is an HORIZON Innovation Action, a collaborative project funded under the Horizon Europe Programme, within the topic 'AI, Data and Robotics at work'. HACID develops a novel hybrid collective intelligence for decision support to professionals facing complex open-ended problems, promoting engagement, fairness and trust. The focus of these fellowships is design and development of knowledge graphs and collective intelligence methods in the context of two application domains: medical diagnostics and decision support for climate change adaptation policies.