- Graph Processing: A Panaromic View and Some open Problems, Keynote at 45th International Conference on Very Large Data Bases, 2019
- An Introduction to Graph Analytics Platform - Very Short Version, Keynote at VLDB 2018 workshop on Advances in Mining Large-Scale Time-Dependent Graphs, 2018.
- Web Data Management in RDF Age, Keynote at IEEE International Conference on Distributed Computing Systems, 2017.
- Approaches to RDF Data Management and SPARQL Query Processing, INRIA, 2017.