About me

I am Professor and Head of Department of Computer Science, the University of Liverpool, UK and member of the Knowledge Representation Research Group. My research interests include description logics, ontologies, automated reasoning, temporal logic, specification and verification formalisms, proof complexity, deduction systems, and practical applications of formal methods. See also my Google Scholar profile and DBLP page.


  • Knowledge Transfer Partnership (KTP) project “Big Data Augmented Audience Verification” with Bluprint
  • iTract: Islands of Tractability in Ontology-Based Data Access (EPSRC EP/M012646/1, 2015–18).

Recent activities