- Equipe Associée Sarava (2009-2011) with UFRJ, Rio de Janeiro (Marta Mattoso, Vanessa Braganholo, Alexandre Lima) to work on P2P data management for online communities.
- CNPq-INRIA project DatLuge (Data & Task Management in Large Scale, 2010-2012) with UFRJ (Marta Mattoso, Vanessa Braganholo, Alexandre Lima), LNCC, Rio de Janeiro (Fabio Porto), and UFPR, Curitiba (Eduardo Almeida) to work on large scale scientific workflows.
- EGIDE Picasso project Scaling GraphDB (2010-2011) with UPC, Barcelona ((Josep Lluis Larriba Pey and Victor Muntes Mulero) to work on very large graph database support.
- EGIDE Osmoze project SECC (SErvices for Curricula Comparison, 2011-2012), with Riga Technical University (Janis Grundspenkis, Marité Kirikova) to work on automatic analysis and mapping of conceptual trees and maps acquired from digital documents.