The goal of this work package is to support the operativity of the SoBigData++ e-infrastructure, integrating new and existing services and quantitatively and qualitatively enhancing them. Activities comprise (I) an update on the best practices / policies for the harmonization of federated resources available at local infrastructure sites; (II) adaptation of existing and new resources to the identified best practices; and (III) maintenance of the SoBigData++ e-infrastructure, creation and update of the Virtual Research Environments in order to support all the activities performed in other WPs.