He has been PI/budget holder for funding totaling €1.75M, was co-PI on the €15M Líon 2 DERI CSET, and led the Eurapp study of the EU app economy for the EC. He created the SIOC framework, implemented in hundreds of applications (by Yahoo, Boeing, Vodafone, etc.) on over 25,000 websites. He has written 150 peer-reviewed publications and co-authored the book “The Social Semantic Web”. He is co-founder of boards.ie, adverts.ie, and StreamGlider. He is an advisor to AYLIEN, BuilderEngine, CloudDock, CrowdGather, Dot-Irish, Fimsi, Pocket Anatomy, and Trugence. He has won various best paper awards (ICEGOV, ESWC, PELS) and two IIA Net Visionary Awards. He is Vice Chair of IFIP’s Working Group 12.7 on Social Networking Semantics and Collective Intelligence.