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- Review of approaches of DDI 4 (see below)
- Inter-operability with other specifications. We realize that users want to use multiple specifications, and that there is a partial overlap between specifications. Therefore:
- Usage of DDI with other specifications should be explored
- Integration of other specifications on the model or binding level
- Description of partial overlap between specifications
- Exploration of provenance in the production and publication of data
- Interaction with messaging protocols and other platform technologies
- Building a basis of future cooperation between the groups of different specifications
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