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Joint Research ActivitiesThe Joint Research Activities are used to investigate and develop capabilities required to realize HELIO's objectives. The Activity is split into three work packages.Work PackagesWPR1 – Semantic VOIn order to be able to use the data and metadata from the different domains collectively, it is necessary to establish the relationship between information that they contain. Each domain has data models that describe its own data. We have concluded that developing a single data model to handle the data from all the domains is not practical, nor is it realistic to expect the communities to change their practices in order to conform to such a model. So that we can relate the data to each other, we will create an over-spanning data model based on an ontology that we will develop from the existing models and other useful sources of information - e.g. the SPASE data system. This will be used to implement a semantic driven approach needed to realize some of the HELIO services.
WPR2 – Tools for the 4D HeliosphereOur second area of research is related to the recognition and tracking of features. While establishing the European Grid of Solar Observations (EGSO) we developed the image processing tools to detect sunspots, active regions and filaments in solar data and used these to build the EGSO Solar Feature Catalogue. For HELIO, these techniques will need to be adapted to recognize features in data from other domains, including time-frequency and similar plots. New techniques will be developed to allow features to be tracked when moving through and evolving in the field of view.
WPR3 – Optimize User InterfaceWe have determined that many users find the interfaces provided by virtual observatories difficult to use because they do not work in the way the scientist wishes think about the data. If our resources permits, we will address this problem by investigating new ways of presenting data in user interfaces through the innovative use of existing technology. |