Selection of data for long-term preservation should be based on integrity, originality and geographic coverage. Data retained must tender a contribution to the scientific knowledgebase. The data may be used to inform national policy making or in an international context.
Opening and sharing research data and/or metadata of the research data
Barrier to data sharing can be financial or issues related to data confidentiality or ownership.
The sensitivity of personal information about human subjects cannot be overstated. However, it is entirely feasible to anonymise such data so that it may be freely and safely shared with others. Read more about sharing medical data.
Digital preservation refers to the reliable preservation of digital information for several decades or even centuries. Hardware, software, and file formats will become outdated, while the information must be preserved. Reliable digital preservation requires active monitoring of information integrity and anticipation of various risks. Metadata, which describes for example the information content, provenance information and how the content can be used, has a key role in this. Finnish national digital preservation services
Source: Rice, R. C. (2016). Data librarian's handbook. London: Facet Publishing.