In D3.2, methodology for data normalisation, annotation, matching, analysis and visualisation is described from the theoretical perspectives. All the methods have been evaluated and have the technological readiness level of at least TRL4. Results of the methods’ evaluations have been published in peer-reviewed papers, which proves their reliability. In the selection and development of the methodology, the needs of the FNS project, especially of the use cases and demonstrators,were considered. Moreover, existing resources and tools have been identified and included.