He is the program chair of the UCSB Cognitive Science program and a faculty research affiliate of the Center for Information Technology and Society. Krzysztof is one of the two editors-in-chief of the Semantic Web journal. He is running the STKO Lab which investigates the role of space and time for knowledge organization. His main research interests include the Semantic Web, Linked Data, ontologies, sensor webs, and cyber-infrastructures in general. Methodologically, his niche is the combination of theory-driven and data-driven approaches.