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My main research interests and activities are in the area of Artificial Intelligence. In particular, I am working on the development of formal models and methods for knowledge representation and reasoning, with a particular focus on defeasible reasoning, computational argumentation, commonsense reasoning and reasoning with ontologies and knowledge graphs. I am also interested in the development of knowledge-based systems for several domains including the Web, cultural heritage, e-commerce and intelligent environments (Ambient Intelligence).
Project Participation
Repurposing of Resources: from Everyday Problem Solving to Crisis Management (2022-2025), Leverhulme Trust
I am a co-I in this Leverhulme-funded project run by the Department of Computer Science and the Department of Information Studies at UCL. The ability to repurpose objects and processes is an important kind of human intelligence for dealing with mundane everyday problems through to large-scale crisis management. Despite its ubiquity, it is largely unstudied in academia. To address this, this project will develop a general theory, and tools based on artificial intelligence, for repurposing. To ground the research, the project uses substantial case studies, and undertakes systematic evaluations. The emphasis is on how repurposing can be emulated rather than on investigating its philosophy or psychology.
SoCoLA: Towards Socio-Cognitive Logic-based Agents (2018-2021), HFRI
I was an external collaborator in this research project, which was funded by the Hellenic Foundation for Research and Innovation and was run by FO.R.T.H. By coupling logic-based and machine learning methodologies, SoCoLA developed intelligent agents endowed with cognitive and social skills for application in the domain of Social Robotics. The domain foregrounds a variety of research challenges, including understanding how to operate objects not previously known, communicating with humans
with socially acceptable means of interaction, exhibiting predictable and commonsense behavior, as well as learning the dynamics of open, less controlled domains. For this reason, the project carried out research in several fields, such as action languages, deep learning, inductive reasoning, belief revision and computational argumentation.
CrossCult: Empowering reuse of digital cultural heritage in context-aware crosscuts of European history (2016-2019), Horizon 2020
I was UCL's Principal Investigator in this H2020 project, in which UCL participates through the Department of Information Studies and the UCL Centre for Digital Humanities. The goal of CrossCult was to spur a change in the way European citizens appraise History, fostering the re-interpretation of what they may have learnt in the light of cross-border interconnections among pieces of cultural heritage, other citizens' viewpoints and physical venues. The project had 11 European partners and a total budget of €3,500,000.
Bibliographic Linked Open Data (2014-15), UCL E-Learning Environments
I was the Project Lead for the Bibliographic Linked Open Data project, funded by an E-Learning Development Grant (ELDG) from UCL E-Learning Environments (ELE). We developed an open educational resource for the teaching of the new cataloguing exchange format BIBFRAME.
CoPAInS: Conviviality and Privacy in Ambient Intelligence Systems (2011-14), FNR Luxembourg
I participated as an external advisor in the CoPAInS project, funded by FNR Luxembourg. The primary aim of the project was to study the tradeoff between privacy and conviviality in Ambient Intelligence systems. The partners in this project were the University of Luxembourg, which participated through the SERVAL group, and HotCity Luxembourg.