“…It is required that data papers and research data have a digital object identifier (Candela et al 2015, 1754, Gray 2015. Researchers have proposed various categories for the structure of data papers including general information such as authors, keywords and abstracts on the title page (Candela et al 2015(Candela et al , 1754, and specific information such as data collection or production (Akers 2013, Breure 2014, Candela et al 2015, 1754, data processing (Akers 2013, Rees 2010, data analyzing or analytical methods (Akers 2013, Atici et al 2013, provenance (Candela et al 2015, 1754, Rees 2010, context or coverage (e.g., time and place) (Atici et al 2013, 670, Candela et al 2015, 1754, background (Breure 2014, Candela et al 2015, 1754, competing interests (Candela et al 2015(Candela et al , 1754, license (Candela et al 2015(Candela et al , 1754, attribution (Candela et al 2015(Candela et al , 1754, reuse (Candela et al 2015(Candela et al , 1754, etc. On the other hand, some researchers have proposed the 5Ws (i.e., what, where, why, how and who) as a documentation basis for the description of research data (Challaghan et al 2012, 12, Kennedy, Ascoli, andDe Schutter 2011, 318-319).…”